Equilateral /(?)/

E·qui·lat·er·al

Equilateral

a.
  1. Having all the sides equal; as, an equilateral triangle; an equilateral polygon.

Phrases & Compounds
Equilateral hyperbola
one whose axes are equal.
Equilateral shell
one in which a transverse line drawn through the apex of the umbo bisects the valve, or divides it into two equal and symmetrical parts.
Mutually equilateral
applied to two figures, when every side of the one has its equal among the sides of the other.

Equilateral

n.
  1. A side exactly corresponding, or equal, to others; also, a figure of equal sides.