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


   (Medical Dictionary)

Medical Definition of TROUGH

May 26, 2015
sacrilegious Hear it
grossly irreverent
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears