Masonic symbols are allegorical images used in Freemasonry to convey moral and philosophical teachings through degrees, rituals, and lodge furniture. They draw from stonemasonry tools, biblical architecture, and Enlightenment rationalism. The most recognizable is the square and compasses, which appears in over six million Masonic rings worldwide.
A lodge room is not a museum. The objects arranged on the floor, the gestures performed at the altar, the aprons worn across the chest — none of it is decoration. Every symbol in Freemasonry carries a specific function: to teach through image what cannot be said in words. The square and compasses, the rough and perfect ashlars, the letter G, the blazing star, the beehive, the trowel — each one constitutes a lesson encoded in geometry, labor, and light. This article examines the major symbols, their historical origins, contested meanings, and the practical function they serve within lodge work.
Where Did Masonic Symbols Come From?
The symbols of Freemasonry emerged from three distinct streams that converged between 1590 and 1723.
The first stream was operative stonemasonry. Medieval guilds of cathedral builders in Scotland and England used tools — the square, level, plumb rule, trowel, as both functional instruments and emblems of craft mastery. The oldest known Masonic document, the Regius Poem (c. 1390, also called the Halliwell Manuscript), describes a body of “points” and “articles” that govern the conduct of masons. These were practical rules, not symbolic ones.
The second stream was the Speculative Turn that occurred between 1599 and 1641. Non-operative members, gentlemen, scholars, clergymen, began joining Scottish lodges. The earliest recorded initiation of a non-operative mason was Sir Robert Moray in 1641 at the Lodge of Edinburgh. These men reinterpreted the tools as allegories for moral self-work.
The third stream was Enlightenment esotericism. The Anderson Constitutions of 1723, written by Presbyterian minister James Anderson under the patronage of John Montagu, 2nd Duke of Montagu, codified the modern symbolic system. It included the seven liberal arts, biblical architectural references (Solomon’s Temple, the two pillars Jachin and Boaz), and a cosmology that placed geometry as the “first of sciences.” For a broader look at how esoteric systems borrow from biblical architecture, see our glossary of occult symbols.
The result was a hybrid: medieval craft practice overlaid with 18th-century rationalist philosophy, wrapped in biblical typology.
What Are the Primary Masonic Symbols?
The Square and Compasses (and the Letter G)
This is the most widely recognized Masonic emblem, though its exact meaning varies by jurisdiction and degree.
The square represents morality, the act of squaring one’s actions against a standard of right conduct. The compasses represent boundaries: the circumscription of desire within reason. In the first degree (Entered Apprentice), the square is emphasized. In the third degree (Master Mason), the compasses predominate.
The letter G in the center has three interpretations. The most common is Geometry, which the Anderson Constitutions called “the fifth science” and the “foundation of architecture.” The second is God (specifically the Great Architect of the Universe, a deistic formulation that allowed Jews, Christians, Muslims, and deists to meet in lodge). The third, less common, is Gnosis, though this appears primarily in Continental Masonic systems influenced by Rosicrucianism.
Sources disagree on which meaning is original. The earliest depiction of the square and compasses with a G appears in 1725 on a Masonic tracing board; the letter G is not mentioned in the 1723 Constitutions. It likely entered through the Royal Arch degree in the 1740s.
The Rough and Perfect Ashlars
Every lodge room contains two stones: a rough ashlar and a perfect ashlar.
The rough ashlar is an unshaped stone taken directly from the quarry. It represents the Entered Apprentice: raw material, unformed, full of potential but requiring work. The perfect ashlar is a finished stone, squared and smoothed, ready for placement in the building. It represents the Master Mason: a person who has shaped themselves through discipline and self-examination.
The metaphor derives from actual stonemasonry. Medieval masons used banker marks, personal symbols carved into finished stones, as signatures of their work. The Lodge of Edinburgh records from 1599 show that masons were required to produce a “trial piece” before advancing to the next grade. The rough and perfect ashlars formalize this apprenticeship structure into moral instruction.
The Two Pillars: Jachin and Boaz
At the entrance of every lodge stand two pillars, named after the columns that flanked the porch of Solomon’s Temple (1 Kings 7:21). Jachin means “He shall establish.” Boaz means “in Him is strength.”
In Masonic ritual, the candidate passes between them during initiation, symbolizing a threshold between the profane world and the sacred space of the lodge. The pillars carry globes representing the terrestrial and celestial spheres, a Renaissance cosmological motif borrowed from John Dee’s Monas Hieroglyphica (1564) via later occult Masonry.
The dimensions assigned to the pillars in the King James Bible (18 cubits high, 12 cubits circumference) are used in lodge architecture to calculate the proportions of the lodge room itself. This is not decorative. It embeds the candidate’s physical journey through space into a biblical cosmology. Similar threshold symbolism appears in the ritual tools and amulets used across esoteric traditions.
The Blazing Star (or Glory)
In the center of the lodge ceiling, or on the tracing board, a five-pointed star appears, often with the letter G at its center. This is the Blazing Star.
Its meaning has shifted over time. John Fellows (1828) connected it to the Star of Bethlehem, guiding the Magi. Albert Pike, in Morals and Dogma (1871), interpreted it as a symbol of divine providence, “a representation of the Grand Architect of the Universe, as the source of light.” In the French Rite, it is explicitly Hermetic: the star represents the pentagram of esoteric tradition, the five points corresponding to the five senses, the five wounds of Christ, and the five elements.
The symbol is not original to Freemasonry. Five-pointed stars appear on Babylonian boundary stones (kudurru) from the 12th century BCE, marking the goddess Ishtar. The Masonic version inherits this celestial lineage but redirects it toward enlightenment.
The Beehive
Less prominent than the square and compasses, the beehive appears in Masonic emblem books from the 1750s, especially the Freemasons’ Pocket Companion (1764).
The beehive represents industry. Bees work collectively without a visible master (the queen was not understood as a ruler in 18th-century natural history; the hive was seen as a perfect republic). The symbol taught lodges that each member contributes to the whole without coercion. It is also a covert reference to the “labour of the bee”, the production of wax, which in alchemical symbolism represents the fixed, perfected body.
How Are Masonic Symbols Used in Ritual?
Symbols in Masonry are not observed. They are encountered.
During the three degrees, the candidate moves through a space arranged symbolically. The lodge room itself is an allegorical representation of King Solomon’s Temple, oriented east to west, with the Worshipful Master’s station in the east (the source of light). The candidate enters from the west (darkness) and travels eastward (enlightenment).
Each tool is presented to the candidate during ritual. The working tools of the Entered Apprentice, the 24-inch gauge and common gavel, are physically handed to him. The gauge represents the 24 hours of the day, divided into labor, refreshment, and service. The gavel represents the force needed to break off the rough corners of the stone.
Symbols also appear on tracing boards, painted diagrams used in lodges before printed ritual books became standard. The earliest surviving tracing board is from 1725 (the “Bristol Tracing Board”), which shows the square and compasses, the two pillars, the blazing star, and the ladder of Jacob. These boards were, in effect, the original textbooks. The practice of using symbolic diagrams to encode moral lessons is also explored in our glossary of esoteric diagrams.
Masonic Symbols vs. Other Esoteric Systems
Masonic symbols share visual language with Hermeticism, Rosicrucianism, and alchemy, but their function differs.
In alchemy, the square and compasses might signify the union of sulfur and mercury, or the fixed and volatile principles. In Masonry, they signify morality and restraint. The correspondence is structural but not identical.
The Rose Cross of the Rosicrucians (the Rosy Cross) enters Scottish Rite Masonry through the 18th degree (Knight Rose Croix). But whereas Rosicrucian symbolism focuses on spiritual transformation through the death and resurrection of the individual, Masonic symbolism treats the same cross as a marker of historical lineage from the Knights Templar, a claim most historians regard as invented in the 1740s by Karl Gotthelf von Hund, founder of the Strict Observance rite.
Carl Jung (1875–1961) wrote extensively on Masonic symbols, particularly the square as a mandala of wholeness. In his Psychology of the Transference (1946), he argued that the circumambulation of the candidate around the lodge replicates the alchemical rotatio, the circular motion of psychic integration. Jung is popular among contemporary esotericists, but his interpretation is psychological, not traditional.
Common Misconceptions About Masonic Symbols
1. The all-seeing eye is the Eye of Horus. This is a confusion between Masonic symbol books (where a triangular eye appears as the “Eye of Providence”) and Egyptian revival imagery. The Eye of Providence entered Masonry not from Egypt but from Renaissance Christian iconography, where it represents the omniscience of God. The Great Seal of the United States (1776) uses the same symbol, which is where most Americans encounter it.
2. The symbols are secretly Satanic. This accusation dates to the “Taxil Hoax” (1885–1897), in which French writer Léo Taxil fabricated a lurid account of Masonic devil worship. He later confessed the entire story was fiction. No mainstream Masonic body uses satanic imagery; the symbols are entirely moral and architectural.
3. The skull and crossbones (in Royal Arch degrees) means piracy. The skull appears in the Royal Arch degree as Resurgam, “I shall rise again.” It is a memento mori, inherited from medieval charnel house imagery, not the Jolly Roger.
FAQ
Are Masonic symbols still used today?
Yes. The square and compasses remains the emblem of lodges worldwide, and the same symbols appear on aprons, jewels, and tracing boards in modern Freemasonry.
Can non-Masons use Masonic symbols?
Legally, yes; Masonic symbols are not trademarked in most jurisdictions. However, using them implies an affiliation that does not exist, which some Masons consider disrespectful.
What does the letter G mean in Masonic symbols?
The most common interpretations are Geometry and God (the Great Architect of the Universe). Continental Masonic systems sometimes add Gnosis, though this is debated among scholars.
The symbols of Freemasonry are not code. They are pedagogy. Each one was designed to move a specific concept from the intellect into the body, through the hand that holds the gavel, the foot that steps between the pillars, the eye that follows the blazing star. To understand them is to understand how the 18th century taught virtue: not by lecture, but by arrangement.
For further reference, see our glossary of occult symbols or explore the intersection of Masonic and alchemical imagery in ritual tools and their functions. The relationship between geometry and magic runs deeper than most handbooks admit.