Definition of polyzoon in English:

polyzoon

Pronunciation /ˌpɒlɪˈzəʊən/ /ˌpɒlɪˈzəʊɒn/

noun

rare Zoology
  • An animal of the former division Polyzoa; a bryozoan.

    The plural form is usually supplied by "Polyzoa".

Origin

Mid 19th century; earliest use found in William T. Brande (1788–1866), chemist. From poly- + -zoon, as singular form corresponding to Polyzoa.