from The Century Dictionary.

  • noun In zoology, a little chitinous cup in which each polypite of the Sertularidia and Campanularida is protected; a calycle. See cut under Campanularia.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of hydroidea, and campanularian.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology One of the calicles that protect the hydrants in certain Hydroidea (Thecaphora).


from Wiktionary, Creative Commons Attribution/Share-Alike License

hydro- +‎ theca


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