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sea anemone

Definitions of sea anemone
  1. noun
    marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton
    synonyms: anemone
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    types:
    actinia, actinian, actiniarian
    any sea anemone or related animal
    type of:
    actinozoan, anthozoan
    sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
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