Masonic Symbols and Their Meanings: Complete Guide

• Templar Uniform Editorial
• October 29, 2026
• Categories: History & Lore
• Tags: Knights Templar, Templar History, Templar Symbols

Masonic symbols are working tools. That single fact explains most of them. Freemasonry grew out of the operative stonemasons’ craft, and when the fraternity turned speculative in the seventeenth and eighteenth centuries it kept the tools and gave them moral readings. A square tests whether a corner is true; it came to stand for whether a man is. Nearly every emblem in a lodge room works the same way.

Here is the working vocabulary, what each piece means, and where the common misreadings come from.

The square and compasses

The emblem everyone recognises. The square is the stonemason’s try square, used to test a right angle — morally, it stands for rectitude and honest dealing, the sense preserved in the everyday phrase “on the square.” The compasses describe circles and set limits; in the traditional phrasing, they teach a Mason to circumscribe his desires and keep his passions within due bounds.

Together they are the craft’s shorthand for the two halves of a disciplined life: deal squarely with others, set a boundary on yourself.

In most North American lodges a letter G sits at the centre. It is usually explained as standing for God, for Geometry, or deliberately for both at once — geometry being the science by which the craft understood the order of creation. English lodges under the United Grand Lodge of England generally do not use the G at all, which surprises American visitors.

The all-seeing eye

An open eye, often radiant, sometimes set in a triangle. In Masonic use it represents the Great Architect of the Universe observing the thoughts and actions of men — a reminder of accountability rather than surveillance.

The eye is not a Masonic invention and never was exclusive to the fraternity. The Eye of Providence appears in Christian art well before it appears in lodges, and its presence on the reverse of the Great Seal of the United States is a separate borrowing from the same shared stock of imagery. The seal’s designers were working from common eighteenth-century iconography, not from a lodge room. That distinction gets lost in a great deal of online commentary.

The working tools

Each degree is taught through a small set of tools, and each tool carries one idea:

• The level — equality. All Masons meet on the level, whatever their rank outside.
• The plumb — uprightness, judging a man by whether he stands straight.
• The trowel — spreading the cement of brotherly love; the tool that joins rather than cuts.
• The gavel — divesting the stone of its rough edges, meaning the correction of one’s own faults.
• The twenty-four inch gauge — the division of the day, traditionally into work, rest and service.

The ashlars

Two stones, usually shown side by side. The rough ashlar is the block as it comes from the quarry; the perfect ashlar is the same block dressed true and ready to be built into a wall. The man and the work he is expected to do on himself. It is the plainest allegory in the system and probably the most quoted.

The pillars, the pavement and the star

A lodge room is laid out as a symbolic building, and several of its features carry meaning:

• Boaz and Jachin — the two pillars that stood at the porch of Solomon’s Temple, described in the Book of Kings. Masonic ritual places them at the entrance of the lodge.
• The mosaic pavement — the chequered black-and-white floor, read as the mingling of good and ill in human life.
• The blazing star — divine providence, generally shown at the centre of the ceiling or pavement.
• The point within a circle — a man keeping himself within due bounds, bordered by two parallel lines.

Acacia, hourglass and beehive

The sprig of acacia stands for the immortality of the soul, and belongs to the legend central to the third degree. The hourglass and scythe are straightforward memento mori — time runs, and then it stops. The beehive represents industry, the value of co-operative labour.

The lambskin apron is not decoration. It is described in ritual as the badge of a Mason, older and more honourable than any other order’s insignia, and it is the one item every member receives.

What these symbols are not

Two corrections worth stating plainly, because they drive most of the confusion:

First, Freemasonry is not a religion. Regular Masonry requires a belief in a Supreme Being and uses religious language, but it has no sacraments, no clergy and no plan of salvation, and it does not tell a man which faith to hold.

Second, the medieval Knights Templar did not found Freemasonry. The Masonic orders of the Temple are eighteenth-century creations that adopted Templar imagery and names; no documentary chain connects them to the Order suppressed in 1312. We lay out the evidence in whether the Templars were Freemasons, and the Masonic Knights Templar explains what the modern Masonic Templar orders actually are. The borrowing is real and interesting; the descent is not.

The apron and the degrees

Two features of lodge practice explain a great deal of the symbolism that visitors find puzzling.

The apron is the one emblem every Mason owns. Operative masons wore leather aprons to work; the speculative craft kept the garment as the badge of membership, and ritual describes the plain white lambskin as more ancient and more honourable than any other order’s insignia. Officers’ aprons carry additional emblems marking their office, which is why aprons in a lodge photograph are not all the same.

The three degrees — Entered Apprentice, Fellow Craft, Master Mason — are the structure everything else hangs on. Each has its own set of working tools and its own lesson, and symbols are introduced progressively rather than all at once. This is why a single emblem can be explained differently in different sources: the explanations belong to different stages.

Symbols that are not Masonic, but get called Masonic

A short corrective list, since these recur constantly:

• The pyramid and eye on the US dollar bill. From the reverse of the Great Seal, designed by committees whose members were drawn from the general stock of eighteenth-century emblem books. The eye is shared imagery, not a Masonic signature.
• The pentagram. Used by the Order of the Eastern Star, an associated body with its own membership, but it is not a symbol of the craft degrees.
• Baphomet. Nothing to do with Masonry at all, and not much to do with the Templars either — the name surfaced in the 1307 interrogations under torture, and the Baphomet accusation sets out where it really came from.

Reading a lodge room

Once the grammar is clear, the symbols stop being mysterious and start being legible. Tools for conduct, stones for self-improvement, architecture for the moral order, an eye for accountability. It is a system built by men who worked in stone and thought in buildings.

Symbols earn their keep by being worn and used, not filed away — the same reason crusader emblems outlived the states that flew them, as crusader symbols and their meanings sets out. Our Audi Vide Tace tee carries the square and compasses the way they ought to be carried: cut clean, one ink, no noise.

Frequently asked questions

What is the most important Masonic symbol?

The square and compasses. The square stands for honest dealing with others, the compasses for keeping one’s own desires within bounds. Together they summarise the craft’s moral teaching.

What does the G in the Masonic symbol stand for?

Usually both God and Geometry at once — geometry being the science through which the operative craft understood the order of creation. English lodges under the United Grand Lodge of England generally omit the letter entirely.

Is Freemasonry a religion?

No. Regular Freemasonry requires a belief in a Supreme Being and uses religious language, but it has no sacraments, no clergy and no doctrine of salvation, and it does not tell members which faith to hold.

Did the Knights Templar found Freemasonry?

No documentary evidence connects them. The Masonic orders that use Templar names were created in the eighteenth century and borrowed the imagery; there is no proven chain back to the Order suppressed in 1312.

What does the all-seeing eye mean in Freemasonry?

It represents the Great Architect of the Universe observing the thoughts and actions of men — a reminder of accountability. The Eye of Providence appears in Christian art long before it appears in lodges and is not a Masonic invention.