Spiralozooid
Pronunciation : Spi*ra`lo*zo"oid
Part of Speech : n.
Etymology : [Spiral + zooid. So called because they often have a spiral form when contracted.] (Zo?l.)
Definition : Defn: One of the special defensive zooids of certain hydroids. They have the form of long, slender tentacles, and bear lasso cells.
Source : Webster's Unabridged Dictionary, 1913