'cutlass fish' definitions:

Definition of 'cutlass fish'

From: GCIDE
  • cutlass fish \cutlass fish\, cutlassfish \cutlassfish\n.
  • 1. (Zool.) a peculiar, long, thin, marine fish ({Trichiurus lepturus}) of the southern United States and West Indies, having a long whiplike scaleless body and sharp daggerlike teeth; -- called also frostfish, saber fish, {silver eel}, and, improperly, swordfish; also, several related members of the genus Trichiurus. It is closely related to snake mackerel.
  • Syn: frost fish, frostfish, hairtail. [1913 Webster + WordNet 1.5]