'Nematocalyces' definitions:

Definition of 'Nematocalyces'

From: GCIDE

Nematocalyx \Nem`a*to*ca"lyx\, n.; pl. Nematocalyces, E. Nematocalyxes. [NL. See Nemato-, and Calyx.] (Zool.) One of a peculiar kind of cups, or calicles, found upon hydroids of the family Plumularidae. They contain nematocysts. See Plumularia. [1913 Webster]