\ˈtrȯf, ˈtrȯth, by bakers often ˈtrō\
plural troughs\ ˈtrȯfs , ˈtrȯvz ; ˈtrȯths, ˈtrȯ(t͟h)z ; ˈtrōz \

Definition of trough 

1a : a long shallow often V-shaped receptacle for the drinking water or feed of domestic animals

b : any of various domestic or industrial containers

2a : a conduit, drain, or channel for water especially : a gutter along the eaves of a building

b : a long and narrow or shallow channel or depression (as between waves or hills) especially : a long but shallow depression in the bed of the sea — compare trench

3 : the minimum point of a complete cycle of a periodic function: such as

a : an elongated area of low barometric pressure

b : the low point in a business cycle

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Examples of trough in a Sentence

The economy is in a trough right now. all of the wiring for the converted residential loft is concealed in a vertical trough

Recent Examples on the Web

Patterns range from stripes and geometrics to florals and damasks, all using Farrow & Ball’s traditional trough and block printing methods. Megan Barber, Curbed, "Farrow & Ball launches whimsical wallpaper at Anthropologie," 27 Aug. 2018 Our experience is that these surface troughs are not always a reliable thunderstorm trigger. Jeff Halverson, Washington Post, "Severe thunderstorm watch: Storms approaching D.C.’s southern suburbs," 10 May 2018 To form, tornadoes need warm, humid weather and deep troughs in the jet stream, and that has been lacking across the Plains so far in 2018. Dino Grandoni, Washington Post, "The Energy 202: House Republicans criticize Democrats for criticizing Pruitt," 27 Apr. 2018 The troughs tend to usher in a cool onshore flow, with moist air from the west. Robert Krier,, "Light rain expected, but see-saw weather may be coming to an end," 18 Apr. 2018 Inspired by Beckham's very own gardens, the terrace will include groupings of troughs and cubes, and a dramatic archway, canopying the entrance into the restaurant with scented garden roses and white wisteria. Vogue, "Victoria Beckham’s Guide to Summer Gardening," 21 May 2018 An upper level trough will push through the region this weekend giving us a mostly cloudy day on Saturday and even a chance for some rain on Sunday with temperatures in the low-to-mid 70s., "Portland metro Friday weather: Heavier clouds and marine air keep temps down to 67," 4 May 2018 The hurricane is expected to strengthen today before weakening Saturday and degenerating to a tropical storm or an open trough by Sunday or Monday. Samantha Ketterer, Houston Chronicle, "Hurricane Beryl becomes first of 2018 Atlantic season," 6 July 2018 Down 70 percent from its December high after sliding for a fourth straight day on Friday, bitcoin is getting ever-closer to matching the Nasdaq Composite Index's 78 percent peak-to-trough plunge after the U.S. dot-com bubble burst. Adam Haigh And Eric Lam,, "Bitcoin bloodbath nears dot-com levels as many tokens go to zero," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trough.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of trough

before the 12th century, in the meaning defined at sense 1a

History and Etymology for trough

Middle English, from Old English trog; akin to Old High German trog trough, Old English trēow tree, wood — more at tree entry 1

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Statistics for trough

Last Updated

15 Nov 2018

Look-up Popularity

Time Traveler for trough

The first known use of trough was before the 12th century

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More Definitions for trough



English Language Learners Definition of trough

: a long, shallow container from which animals (such as cows, pigs, horses, etc.) eat or drink

: a period in which there is little economic activity and prices are usually low

: a long, low area between waves or hills


\ˈtrȯf \

Kids Definition of trough

1 : a long shallow open container especially for water or feed for livestock

2 : a channel for water : gutter

3 : a long channel or hollow


Medical Definition of trough 

— see gingival trough

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Comments on trough

What made you want to look up trough? Please tell us where you read or heard it (including the quote, if possible).


to clear from alleged fault or guilt

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