Hypertext Webster Gateway: "hydroid"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Hydroid \Hy"droid\, a. [Hydra + -oid.] (Zo["o]l.)
Related to, or resembling, the hydra; of or pertaining to the
Hydroidea. -- n. One of the Hydroideas.
From WordNet (r) 1.7 (wn)
hydroid
n : colonial coelenterates having the polyp phase dominant [syn:
{hydrozoan}]
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