Trapezohedron
Pronunciation : Trap`e*zo*he"dron
Part of Speech : n.
Etymology : [NL., from trapezium + Gr. (Crystalloq.) (a) A solid bounded by twenty-four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under Trisoctahedron. (b) A tetartohedral solid of the hexagonal system, bounded by six trapezoidal planes.
Source : Webster's Unabridged Dictionary, 1913