Definition of actinia in English:

actinia

noun

Zoology
  • A sea anemone; specifically one of the genus Actinia. Also (in form Actinia): the genus itself.

Origin

Mid 18th century; earliest use found in John Hill (bap. 1714, d. 1775), physician and actor. From scientific Latin Actinia from ancient Greek ἀκτῖν-, ἀκτίς ray + scientific Latin -ia.

Pronunciation:

actinia

/akˈtɪnɪə/