'lancetfish' definitions:

Definition of 'lancetfish'

From: WordNet
noun
Large elongate scaleless oceanic fishes with sharp teeth and a long dorsal fin that resembles a sail [syn: lancetfish, lancet fish, wolffish]

Definition of 'lancetfish'

From: GCIDE
  • lancetfish \lan"cet*fish`\, lancet fish \lan"cet fish`\n. (Zool.) A large, elongated, scaleless, voracious, deep-sea fish (Alepidosaurus ferox), having long, sharp, lancetlike teeth and a long saillike dorsal fin. [WordNet sense 1]
  • Syn: lancet fish, wolffish. [1913 Webster + WordNet 1.5]
  • 2. The doctor, or surgeon fish. [1913 Webster]