n.
Pronunciation: ˌ hek-s ə - ' h ē -dr ə n
Function: noun
Inflected Form: plural -drons also -dra \ -dr ə \
Etymology: Late Latin, from Greek hexaedron, from neuter of hexaedros of six surfaces, from hexa- + hedra seat ― more at SIT
Date: 1571
: a polyhedron of six faces (as a cube)