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trout

[trout]
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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 4), lake trout.
  3. any of several unrelated fishes, as a bass, Micropterus salmoides, a drum of the genus Cynoscion, or a greenling of the genus Hexagrammos.

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
Related formstrout·less, adjectivetrout·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for trout

trout

noun plural 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
  3. Australian any of various fishes of the Salmo or Oncorhynchus genera smaller than the salmon, esp European and American varieties naturalized in Australia
  4. British informal an irritating or grumpy person, esp a woman

Word Origin

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

Word Origin and History for trout

n.

Old English truht "trout," in part from Old French truite, both from Late Latin tructa, perhaps from Greek troktes "a kind of sea fish," literally "nibbler," from trogein "to gnaw," from PIE root *tere- (see throw). In late 17c. slang, trusty trout was used in a sense of "confidential friend."

Online Etymology Dictionary, © 2010 Douglas Harper