1. hydrozoan

noun. colonial coelenterates having the polyp phase dominant.


  • coelenterate
  • siphonophore
  • Hydrozoa
  • planula
  • cnidarian
  • hydra
  • sertularian
  • hydroid

Featured Games

Example sentences of the word hydrozoan

1. Noun, singular or mass
The freshwater jellyfish (Craspedacusta sowerbyi), like the by-the-wind sailor and man-of-war, is technically not a jellyfish, but a hydrozoan.