Actinia

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Actinia \Ac*tin"i*a\, n.; pl. L. {Actini[ae]}, E. {Actinias}.
     [Latinized fr. Gr. ?, ?, ray.] (Zool.)
        (a) An animal of the class Anthozoa, and family
            {Actinid[ae]}. 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 {Actinid[ae]}.
            [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Actinia
       n 1: a genus of sea anemone common in rock pools [syn: {genus
            Actinia}]
       2: any sea anemone or related animal [syn: {actinian}, {actiniarian}]