Octahedron

[,ɒktә'hi:drәn]

(noun.) any polyhedron having eight plane faces.

Checker: Pamela--From WordNet

(n.) A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.

Typed by Alice

n. a solid bounded by eight faces.—adj. Octahē′dral.

Editor: Val