actinia Meaning, Definition & Usage

  1. noun a genus of sea anemone common in rock pools
    genus Actinia.
  2. noun any sea anemone or related animal
    actiniarian; actinian.

WordNet

Ac*tin"i*a noun
Etymology
Latinized fr. Gr. , , ray.
Wordforms
plural L Actiniæ E Actinias
Definitions
  1. (Zoöl.) (a) An animal of the class Anthozoa, and family Actinidæ. From a resemblance to flowers in form and color, they are often called animal flowers and sea anemones. [See Polyp.]. (b) A genus in the family Actinidæ.

Webster 1913