Definition of trout in English:



  • A chiefly freshwater fish of the salmon family, found in both Eurasia and North America and highly valued as food and game.

    • ‘Lots of fish are suitable, including salmon and trout, but my favourite is sea bass.’
    • ‘The species can live in a higher temperature than most other trouts, and this is probably why they were introduced to America.’
    • ‘Only a few trout were recorded for the seven anglers who fished for a short period.’
    • ‘In civil law no one has the right to fish for trout other than the riparian owner’
    • ‘My favourites are black lumpfish eggs, but red trout and salmon eggs will do just as well.’
    • ‘Oily fish such as salmon, trout, mackerel and sardine would be a better catch for Chris.’
    • ‘In the absence of brook trout, up to one of two nonnative trouts (wild brown or rainbow) would be substituted as an intolerant species.’
    • ‘The lines you used for trout and salmon fishing are useless in the warmer climates.’
    • ‘My father used to go shooting and fishing and we had lots of rabbit, salmon and trout to eat.’
    • ‘Pike tend to live on a diet of whatever fish is available in their waters, such as perch, salmon and trout.’
    • ‘The browns and the tiger trout were magnificently marked and all fish were fin perfect.’
    • ‘We were very aware on holiday of the proliferation of salmon, trout, halibut and mussel farms.’
    • ‘Leaders are extremely important in pike fishing just as they are in trout and salmon fishing.’
    • ‘Fish is most beneficial for the body when it comes in an oily form such as mackerel, trout or salmon.’
    • ‘With the end of the trout and salmon season in sight, its time to get going on the pike.’
    • ‘The lock is a popular angling pitch, as it provides a natural basin and is usually rich in salmon and trout.’
    • ‘The rods you should take are a five weight for the trout fishing, a six or seven weight rod is ideal for bass.’
    • ‘The white trout was immediately recognised by the furious fight it put up when it was hooked.’
    • ‘Most anglers are having lots of sport with the smaller trout as well as with the stocked fish.’
    • ‘Fish is not in such great supply, though you can get salmon and trout at realistic prices.’


  • old trout

    • informal An annoying or bad-tempered old person, especially a woman.

      • ‘If Mau was hoping that she would reply, ‘No, I'm a hardened old trout who's in it for the money ’, she was doomed to disappointment.’
      • ‘Every chemist has one; some acid-faced old trout who tuts and shuffles around the medicines like you're holding her to ransom with your request.’
      • ‘In short, he was making the most of his ferreting, like some old trout picking hairgrips in a supermarket.’
      • ‘He might be an annoying twat and she a bit of an old trout but they can pick their books.’
      • ‘I remember her beaming with pride that six of her class of twenty odd pupils had passed, I don't think I'd seen the sour faced old trout ever smile before, in fact I'm sure of it.’
      • ‘The old trout has decided to come over for a few days in Singapore, which she still believes is a British colony.’
      • ‘But I bet the silly old trout just left it in the bank instead of spending it.’
      • ‘The sphinx who had tormented the shy, lovesick painter in his youth sits enthroned in a flashy drawing-room, a self-satisfied, puffy-looking old trout, holding her horrid little dog in her arms.’
      • ‘He's pretty chipper about his inquiry, but I think his man let that old trout Barbara off the hook.’
      • ‘One of the bar staff is a moody old trout but all the guys and manager are great.’


Late Old English truht, from late Latin tructa, based on Greek trōgein ‘gnaw’.