Rhōm'bo-hē'dron, n.
n. [Fr. rhomboèdre, from Gr. ῥόμβος, rhomb, and ἕδρα, seat, base, side.] (Geom. & Crystallog.) A solid contained by six equal rhombic planes.
n. [Fr. rhomboèdre, from Gr. ῥόμβος, rhomb, and ἕδρα, seat, base, side.] (Geom. & Crystallog.) A solid contained by six equal rhombic planes.