ōˈsēənə̇d noun
( plural oceanids also oce·an·i·des (ˌ)ōsēˈanə̇dēz)
Usage: usually capitalized
Etymology: Greek ōkeanid-, ōkeanis, from Okeanos Oceanus, deity identified as a great river believed to encompass the earth + Greek -id-, -is, feminine patronymic suffix
: an ocean nymph