'Polyhedron' definitions:

Definition of 'polyhedron'

From: WordNet
noun
A solid figure bounded by plane polygons or faces

Definition of 'Polyhedron'

From: GCIDE
  • Polyhedron \Pol`y*he"dron\, n.; pl. E. Polyhedrons., L. Polyhedra. [NL., fr. Gr. ? with many seats or sides; poly`s many + ? a seat or side: cf. F. poly[`e]dre.]
  • 1. (Geom.) A body or solid contained by many sides or planes. [1913 Webster]
  • 2. (Opt.) A polyscope, or multiplying glass. [1913 Webster]