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actinia
noun
ac·tin·ia
\ak-ˈti-nē-ə\
Definition of actinia
1 capitalized, in some classifications : a genus of sea anemones nearly coextensive with the order Actiniaria
2 plural actiniae \ak-ˈti-nē-ˌē\ or actinias : any sea anemone or related animal
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Origin and Etymology of actinia
borrowed from New Latin, from Greek aktīn-, aktís “ray, beam” + New Latin -ia 1-ia
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