equilateral

/EH1 K W IH0 L AE1 T ER0 AH0 L/
noun
  1. 1

    A side exactly corresponding, or equal, to others.

  2. 2

    A figure having all its sides equal.

adjective
  1. 1

    (of a polygon) Having all the sides equal.

  2. 2

    (of a polyhedron) Having all the faces equal.

  3. 3

    Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.

  4. 4

    Having all the convolutions of the shell in one plane, chiefly of foraminifers.

Source: https://en.wiktionary.org/wiki/equilateral