noun \ˈtrf, ˈtrth, by bakers often ˈtrō\

: 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

plural troughs \ˈtrfs, ˈtrvz; ˈtrths, ˈtr(th)z; ˈtrōz\

Full Definition of TROUGH

a :  a long shallow often V-shaped receptacle for the drinking water or feed of domestic animals
b :  any of various domestic or industrial containers
a :  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
:  the minimum point of a complete cycle of a periodic function: as
a :  an elongated area of low barometric pressure
b :  the low point in a business cycle

Examples of TROUGH

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

Origin of TROUGH

Middle English, from Old English trog; akin to Old High German trog trough, Old English trēow tree, wood — more at tree
First Known Use: before 12th century

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

Rhymes with TROUGH

TROUGH Defined for Kids


noun \ˈtrf\

Definition of TROUGH for Kids

:  a long shallow open container especially for water or feed for livestock
:  a channel for water :  gutter
:  a long channel or hollow
Medical Dictionary


Medical Definition of TROUGH

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