Dictionary.com
definitions

lancetfish

[lan-sit-fish, lahn-]

noun, plural (especially collectively) lan·cet·fish, (especially referring to two or more kinds or species) lan·cet·fish·es.

any large, marine fish of the genus Alepisaurus, having daggerlike teeth.

RELATED CONTENT

fish
Read more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE
plenty of fish
Read more in this article about some frequently asked questions and fun facts related to our definitions.
READ MORE

Origin of lancetfish

First recorded in 1830–40; lancet + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for lancet fish

lancet fish

noun

either of two deep-sea teleost fishes, Alepisaurus ferox or A. borealis, having a long body with a long sail-like dorsal fin: family Alepisauridae
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012