any sedentary marine animal of the phylum Coelenterata, having a columnar body and one or more circles of tentacles surrounding the mouth.
any of various anthozoan coelenterates, esp of the order Actiniaria, having a polypoid body with oral rings of tentacles See also actinia
sea anemone
Any of numerous, often brightly colored cnidarians of the class Anthozoa, having flexible cylindrical bodies with tentacles surrounding a central mouth. Sea anemones are related to jellyfish and corals, but have no free-swimming (medusoid) stage, and resemble flowers.


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