(definition) by Webster 1913 Wed Dec 22 1999 at 0:14:39

Hy`dro*cau"lus (?), n.; pl. Hydrocauli (#). [NL., fr. Gr. "y`dwr water + a stalk.] Zool.

The hollow stem of a hydroid, either simple or branched. See Illust. of Gymnoblastea and Hydroidea.

 

© Webster 1913.

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