pentahedron

From penta- +‎ -hedron.

• IPA^(key): /ˌpɛntaˈhiːdɹən/

• Audio (US):

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• Rhymes: -iːdɹən

pentahedron (plural pentahedra or pentahedrons)

1. (geometry) A polyhedron with five faces.
   • 2017, Mohsin Hamid, Exit West, Hamish Hamilton, page 106:

     Their tent was too small for them to stand, a long but low pentahedron, in shape like the triangular glass prism Saeed used to have as a child, with which he would refract sunlight into little rainbows.

• pentahedral