from The Century Dictionary.

  • noun In Polyzoa: The saccular, planuliform, ciliated embryo, from one end of which one or more polypids are developed from thickenings of the wall of the sac.
  • noun The cell in which the body of the mature individual is contained, as distinguished from the polypid itself.

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

  • noun (Zoöl.) One of the Cystidea.

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

  • noun zoology One of the Cystidea.


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