'Heptahedron' definitions:

Definition of 'Heptahedron'

From: GCIDE
  • Heptahedron \Hep`ta*he"dron\, n. [Hepta- + Gr. ? seat, base, fr. ? to sit: cf. F. hepta[`e]dre.] (Geom.) A solid figure with seven sides. [1913 Webster]