Definify.com
Webster 1913 Edition
Trapezohedron
Trapˊe-zo-he′dron
,Noun.
[NL., from
trapezium
+ Gr. [GREEK] seat, base, fr. [GREEK] to sit.] (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. The faces of this form are common on quartz crystals.