Heptahedron

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]