• Equilateral

    Alternative forms

    Full definition of equilateral

    Adjective

    equilateral

    1. (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).

    Noun

    equilateral

    (plural equilaterals)
    1. An equilateral triangle
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