The Collaborative International Dictionary
Equicrural
Equicrural \E`qui*cru"ral\, a. [L. aequicrurius; aequus equal +
crus, cruris, leg.]
Having equal legs or sides; isosceles. [R.] ``Equicrural
triangles.''
--Sir T. Browne.
Wiktionary
equicrural
a. Having legs of equal size; isosceles.