Hydrothecae

Hydrothecae
Hydrotheca Hy`dro*the"ca, n.; pl. L. {Hydrothec[ae]}, E. {Hydrothecas}. [NL., fr. E. hydra + Gr. ? a box.] (Zo["o]l.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of {Hydroidea}, and {Campanularian}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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