from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of polyzoon., tiny animals that form compound colonies
  • n. The class of molluscs that the above belong to

from the GNU version of the Collaborative International Dictionary of English

  • Same as bryozoa. See Illust. under bryozoa, and phylactolæmata.

from The Century Dictionary and Cyclopedia

  • A class of molluscoid invertebrated animals; the moss-animalcules, seamosses, or sea-mats.
  • In Protozoa, the polyzoan radiolarians: another name of the Polycyttaria or Collozoa.
  • n. The original name of one of the animais afterward grouped as Polyzoa and Bryozoa; a kind of polyzoan or bryozoan.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. marine or freshwater animals that form colonies of zooids


from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin polyzoa, from Ancient Greek πολυ (poly) + ζώα (zo).


  • You will often find other forms of polyzoa in clear ponds and mill-pools; sometimes you would suppose you were looking at a mass of sponge, as in the case of

    Country Walks of a Naturalist with His Children

  • It looks likely to contain some fresh-water polyzoa, than which there are few more beautiful tenants of the water.

    Country Walks of a Naturalist with His Children

  • Mollusca, rotifers, polyzoa, and such infusoria as are not included in types (1) and (2) belong to the massive type, in which the body and its parts form rounded masses.

    Form and Function A Contribution to the History of Animal Morphology

  • And as the little coral reef out of a vast depth had been built up by generations of polyzoa, so she would see that on the earth, through illimitable ages, successive generations of animals and plants had left in stone their imperishable records: and at the top of the series she would meet the thinking, breathing creature known as man.

    The Evolution of Modern Medicine


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