1. pentahedron

noun. any polyhedron having five plane faces.


  • -hedron (English)
  • ἕδρα (Ancient Greek (to 1453))
  • penta- (English)
  • πέντε (Ancient Greek (to 1453))

Featured Games

Example sentences of the word pentahedron

1. Noun, singular or mass
A pyramid is also a pentahedron, but it only has one rectangular side and the four triangle-shaped sides meet at a single vertex or point.