Definify.com

Webster 1913 Edition

Icosahedral

Iˊco-sa-he′dral

,

Adj.

[See

.]

(Geom.)

Having twenty equal sides or faces.

Webster 1828 Edition

Icosahedral

ICOSAHE'DRAL

,

Adj.

[Gr. twenty, and seat, basis.] Having twenty equal sides.