Rhombohedron

[,rɒmbә'hi:drәn]

(noun.) a parallelepiped bounded by six similar faces (either rhombuses or parallelograms).

Edited by Fergus--From WordNet

(n.) A solid contained by six rhomboids; a parallelopiped.

Editor: Lorna

n. a solid bounded by six rhombic planes.—adj. Rhombohē′dral.—adv. Rhombohē′drally.

Inputed by Darlene