[ al-see-uh-nair-ee-uhn ]

  1. any anthozoan coelenterate of the subclass Alcyonaria, as corals and sea anemones, having the tentacles and other body parts in branches or segments of eight.

  1. belonging or pertaining to the Alcyonaria.

Origin of alcyonarian

1875–80; <New Latin Alcyonari(a) (<Greek alkyón(ion) a type of coral named from its resemblance to the nest of the kingfisher (alkyṓn) + Latin -āria-ary) + -an

Words Nearby alcyonarian Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use alcyonarian in a sentence