'Decahedron' definitions:
Definition of 'decahedron'
From: WordNet
noun
Any polyhedron having ten plane faces
Definition of 'Decahedron'
From: GCIDE
- Decahedron \Dec`a*he"dron\ (d[e^]k`[.a]*h[=e]"dr[o^]n), n.; pl. E. Decahedrons (d[e^]k`[.a]*h[=e]"dr[o^]nz), L. Decahedra. [Pref. deca- + Gr. 'e`dra a seat, a base, fr. 'e`zesqai to sit: cf. F. d['e]ca[`e]dre.] (Geom.) A solid figure or body inclosed by ten plane surfaces. [Written also, less correctly, decaedron.] [1913 Webster]