'Rhombohedron' definitions:
Definition of 'rhombohedron'
(from WordNet)
noun
A parallelepiped bounded by six similar faces (either rhombuses or parallelograms)
Definition of 'Rhombohedron'
From: GCIDE
- Rhombohedron \Rhom`bo*he"dron\, n. [NL., fr. Gr. ??? rhomb + ??? seat, base.] (Geom. & Crystallog.) A solid contained by six rhomboids; a parallelopiped. [1913 Webster]