Hydrosome
Pronunciation : Hy"dro*some, Hy`dro*so"ma
Part of Speech : n.
Etymology : [NL. hydrosoma. See Hydra, and - some body.] (Zo?l.)
Definition : Defn: All the zooids of a hydroid colony collectively, including the nutritive and reproductive zooids, and often other kinds.
Source : Webster's Unabridged Dictionary, 1913