'Hydrosoma' definitions:
Definition of 'Hydrosoma'
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Hydrosome \Hy"dro*some\, Hydrosoma \Hy`dro*so"ma\, n. [NL.
hydrosoma. See Hydra, and -some body.] (Zool.)
All the zooids of a hydroid colony collectively, including
the nutritive and reproductive zooids, and often other kinds.
[1913 Webster]
