coelenterate

• Animal aquatique à symétrie radiale, au corps en forme de sac avec une seule ouverture et des tentacules portant des cellules urticantes, existant sous forme de polype ou de méduse.

A noun referring to a radially symmetrical aquatic animal with a saclike body, a single opening, and tentacles bearing stinging structures, occurring in polyp and medusa forms.

1. Radially symmetrical aquatic animalC2formalscientific

   An aquatic invertebrate animal with a saclike body, a single opening, and tentacles armed with stinging cells; it exists in both polyp and medusa forms.

   Cœlentéré

   • The jellyfish is a well-known coelenterate found in oceans worldwide.
   • Corals, which are coelenterates, build large reef structures.
   • The biologist studied the life cycle of a coelenterate in the lab.

   Synonymescnidarian