Definify.com
Webster 1913 Edition
Actinia
‖
Ac-tin′i-a
,Noun.
pl. L.
Actiniæ
, E. Actinias
. [Latinized fr. Gr. [GREEK], [GREEK], ray.]
(Zool.)
(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
.