Word Study
equilateral
CIDE DICTIONARY
equilateral, a. [L. aequilateralis; aequus equal + latus, lateris, side: cf. F. équilatéral.].
Having all the sides equal; as, an equilateral triangle; an equilateral polygon. [1913 Webster]
equilateral, n.
A side exactly corresponding, or equal, to others; also, a figure of equal sides. [1913 Webster]
THESAURUS
equilateral
balanced, coequal, coordinate, equal, equiangular, equidimensional, equiproportional, equisided, equisized, equispaced, eurythmic, even, finished, harmonious, isometric, proportioned, regular, symmetric, uniform, well-balanced, well-set, well-set-upFor further exploring for "equilateral" in Webster Dictionary Online