The Collaborative International Dictionary of English v.0.48:
Oarfish \Oar"fish`\ ([=o]r"f[i^]sh`), n. (Zool.) The ribbon fish. [1913 Webster]WordNet (r) 3.0 (2006):
oarfish n 1: thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin [syn: oarfish, king of the herring, ribbonfish, Regalecus glesne]