Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

pentahedron

play
noun pen·ta·he·dron \ˌpen-tə-ˈhē-drən\

Definition of pentahedron

  1. :  a solid bounded by five faces

pentahedral

play \-drəl\ adjective


Origin and Etymology of pentahedron

New Latin


First Known Use: 1590


Seen and Heard

What made you want to look up pentahedron? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

at a gallop

Get Word of the Day daily email!