Webster’s Revised Unabridged Dictionary · 1913
Spiralozooid
Spi·ra′lo·zo′oid (spī·rā′lō·zō′oid), n. [Spiral + zooid. So called because they often have a spiral form when contracted.] (Zoöl.) One of the special defensive zooids of certain hydroids. They have the form of long, slender tentacles, and bear lasso cells.