Definitions for oarfishˈɔrˌfɪʃ, ˈoʊr-
Random House Webster's College Dictionary
oar•fishˈɔrˌfɪʃ, ˈoʊr-(n.)(pl.)-fish; -fish•es.
any long, ribbon-shaped, deep-sea fish of the genus Regalecus, having a fin along the back that rises to a crest: up to 30 ft. (9 m) long.
Origin of oarfish:
oarfish, king of the herring, ribbonfish, Regalecus glesne(noun)
thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin
a large, greatly elongated, type of fish of the family Regalecidae
the ribbon fish