actinian

[ ak-tin-ee-uhn ]

adjective

1. belonging or pertaining to the order or suborder Actiniaria, comprising the sea anemones.

noun

1. any sea anemone.

Word History and Origins

Origin of actinian¹

1885–90; < New Latin Actini ( a ) actinia + -an

Example Sentences

Moreover, there are some modern corals in which the secondary cycle of mesenteries departs from the Actinian plan.

From Project Gutenberg