Definitions
1.nounA side exactly corresponding, or equal, to others.
2.nounA figure having all its sides equal.
3.adjective(of a polygon) Having all the sides equal.
4.adjective(of a polyhedron) Having all the faces equal.
5.adjectiveHaving the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.
6.adjectiveHaving all the convolutions of the shell in one plane, chiefly of foraminifers.