cutlassfish

or cut·lass fish

[kuht-luh s-fish]
noun, plural (especially collectively) cut·lass·fish, (especially referring to two or more kinds or species) cut·lass·fish·es.
  1. any compressed, ribbonlike fish of the genus Trichiurus, having daggerlike teeth.

Origin of cutlassfish

First recorded in 1880–85; cutlass + fish
Also called frostfish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018