trough Definition in Cambridge British English Dictionary
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Definition of "trough" - British English Dictionary

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troughnoun [C]

uk   /trɒf/  us   /trɑːf/

trough noun [C] (CONTAINER)

a long, narrow container without a lid that usually holds water or food for farm animals: cows at the feeding trough

trough noun [C] (LOW POINT)

a low point in a regular series of high and low points: Investing small amounts regularly is a good way of smoothing out the peaks and troughs of the stock market. specialized environment (in the study of weather patterns) a long area of low air pressure between two areas of high air pressure: A trough of low pressure over hilly areas will bring heavy thunderstorms overnight.

troughverb

uk   /trɒf/  us   /trɑːf/ informal

trough verb (EAT)

[T] to eat something quickly and eagerly, especially in large amounts: She was sitting there troughing chocolate.

trough verb (LOW LEVEL)

[I] to reach a low level, price, etc. before going up again: The economy troughed six months ago and is now growing again.
trougher
noun [C] uk   us   informal
someone who eats a lot of food very quickly
(Definition of trough from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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