Equilateral Definition

ēkwə-lătər-əl, ĕkwə-
adjective
Having all sides equal.
An equilateral triangle.
Webster's New World

(geometry) Referring to a polygon all of whose sides are of equal length. Not necessarily a regular polygon since the angles can still differ (a regular polygon would also be equiangular).

Wiktionary
Synonyms:
equisizedequisidedequiproportionalequidimensional
noun
A side exactly equal to another or others.
Webster's New World
A figure having equal sides.
Webster's New World

Other Word Forms of Equilateral

Noun

Singular:
equilateral
Plural:
equilaterals

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