Definitions for

**"Equilateral Triangle"**A triangle with all sides and angles equal in length.

a triangle in which all three angles are equal in measure and all three sides have the same length.

A triangle that has three equal sides.

an emblem of the Trillity and also of the Chapter in Royal Arch Masonry

That which has its three sides equal.

an equal three-sided polygon

a three-sided regular polygon