concave polyhedron

1. 1.

   a polyhedron some of whose plane sections are concave polygons

   Broaderpolyhedron

Questions about concave polyhedron

What does concave polyhedron mean?

concave polyhedron means "a polyhedron some of whose plane sections are concave polygons".

Is concave polyhedron a common word?

concave polyhedron is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.