I. (ˈ)ak|tinēən adjective
or ac·tin·i·ar·i·an |akˌtinē|a(a)rēən, ak|t- ; or ac·ti·nar·i·an |aktə|na(a)r-
Etymology: New Latin Actinia or Actiniaria, Actinaria + English -an
: of or relating to the Actiniaria
II. noun
or actiniarian “ ; or actinarian “
( -s )
: one of the Actiniaria : sea anemone