D defs.my
Entry 1 sense Webster, 1913

Hexahedron

/hĕksəhē'drən/ · Hex·a·he·dron · IPA /hɛksəˈhiːdɹən/
01 n. A solid body of six sides or faces.
pl. Hexahedrons, Hexahedra ((#))
  1. 1.
    A solid body of six sides or faces.(Geom.)
Phrases & compounds
Regular hexahedron — a hexagon having six equal squares for its sides; a cube.