Isosceles definition
Having at least two equal sides.
An isosceles triangle.
adjective
(geom.) 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
Advertisement
Origin of isosceles
- Late Latin īsoscelēs from Greek īsoskelēs īso- iso- skelos leg
From American Heritage Dictionary of the English Language, 5th Edition
- From Ancient Greek ἰσοσκελής (isoskelēs), from ἴσος (isos, “equal”) + σκέλος (skelos, “leg”); another word of the same root is scalene.
From Wiktionary