equilateral

Meanings

Adjective

• Having all the sides equal.
• Having all the faces equal.
• Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.
• Having all the convolutions of the shell in one plane, chiefly of foraminifer.

Noun

• A side exactly corresponding, or equal, to others.
• A figure having all its sides equal.

Origin

• equi- + lateral