The Collaborative International Dictionary
Hairtail \Hair"tail`\ (-t[=a]l`), n. (Zo["o]l.) Any species of marine fishes of the genus Trichiurus; esp., Trichiurus lepturus of Europe and America. They are long and like a band, with a slender, pointed tail. Called also bladefish.
cutlass fish \cutlass fish\, cutlassfish \cutlassfish\n. 1. (Zo["o]l.) 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.
Bladefish \Blade"fish`\, n. (Zo["o]l.) A long, thin, marine fish of Europe ( Trichiurus lepturus); the ribbon fish.