medusan

1 definition found

medusan - WordNet (r) 2.1 (2005) :

  medusan
      n 1: one of two forms that coelenterates take: it is the free-
           swimming sexual phase in the life cycle of a coelenterate;
           in this phase it has a gelatinous umbrella-shaped body and
           tentacles [syn: medusa, medusoid, medusan]