[ trout ]

noun,plural (especially collectively) trout, (especially referring to two or more kinds or species) trouts.
  1. any of several game fishes of the genus Salmo, related to the salmon.: Compare brown trout, cutthroat trout, rainbow trout.

  2. any of various game fishes of the salmon family of the genus Salvelinus.: Compare brook trout (def. 1), char2, Dolly Varden (def. 2), lake trout.

  1. any of several unrelated fishes, as a bass, Micropterus salmoides, a drum of the genus Cynoscion, or a greenling of the genus Hexagrammos.

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Origin of trout

before 1050; Middle English trou(h)te,Old English truht<Latin tructa<Greek trṓktēs gnawer, a sea fish, equivalent to trṓg(ein) to gnaw + -tēs agent noun suffix

Other words from trout

  • troutless, adjective
  • troutlike, adjective

Words Nearby trout Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use trout in a sentence

British Dictionary definitions for trout


/ (traʊt) /

nounplural trout or trouts
  1. any of various game fishes, esp Salmo trutta and related species, mostly of fresh water in northern regions: family Salmonidae (salmon). They resemble salmon but are smaller and spotted

  2. any of various similar or related fishes, such as a sea trout

  1. Australian any of various fishes of the Salmo or Oncorhynchus genera smaller than the salmon, esp European and American varieties naturalized in Australia

  2. British informal an irritating or grumpy person, esp a woman

Origin of trout

Old English trūht, from Late Latin tructa, from Greek troktēs sharp-toothed fish

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