equilateral

== English == === Alternative forms === æquilateral (archaic) === Etymology === From equi- + lateral. === Pronunciation === Rhymes: -ætəɹəl === Adjective === equilateral (not comparable) (geometry, of a polygon) Having all the sides equal. (geometry, of a polyhedron) Having all the faces equal. (zoology) Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form. (zoology) Having all the convolutions of the shell in one plane, chiefly of foraminifers. ==== Derived terms ==== ==== Translations ==== === Noun === equilateral (plural equilaterals) A side exactly corresponding, or equal, to others. A figure having all its sides equal.