'Leucitoid' definitions:

Definition of 'Leucitoid'

From: GCIDE

Leucitoid \Leu"ci*toid\ (l[=u]"s[i^]*toid), n. [Leucite + -oid.] (Crystallog.) The trapezohedron or tetragonal trisoctahedron; -- so called as being the form of the mineral leucite. [1913 Webster] Leuco