Nematocalyx
Nem`a`to`ca´lyx
n. | 1. | (Zool.) One of a peculiar kind of cups, or calicles, found upon hydroids of the family Plumularidæ. They contain nematocysts. See Plumularia. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.