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oarfish

American  
[awr-fish, ohr-] / ˈɔrˌfɪʃ, ˈoʊr- /

noun

plural

oarfish,

plural

oarfishes

  1. any long, ribbon-shaped, silvery fish of the genus Regalecus, of deep tropical waters, having a red dorsal fin along the spine that rises to a crest, and reaching a length of 30 feet (9 meters).

oarfish British  
/ ˈɔːˌfɪʃ /

noun

  1. Also called: king of the herrings.  a very long ribbonfish, Regalecus glesne, with long slender ventral fins

"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

Etymology

Origin of oarfish

First recorded in 1855–60; oar + fish

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.