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Noun: medusan
  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
    - medusa, medusoid

Derived forms: medusans

Type of: cnidarian, coelenterate

Part of: Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata

Encyclopedia: Medusan