# Isosceles meaning

Having at least two equal sides.

An isosceles triangle.

adjective

Designating a figure, esp. a triangle, with two equal sides.

adjective

Of or relating to a geometric figure having at least two sides of equal length.

(geometry) Having two sides of equal length, used especially of an isosceles triangle or isosceles trapezoid.

adjective

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### Origin of isosceles

From Ancient Greek

*ἰσοσκελής*(isoskelēs), from*ἴσος*(isos, “equal”) +*σκέλος*(skelos, “leg”); another word of the same root is scalene.