Meaning of TROUGH in English

TROUGH

I. ˈtrȯ]f sometimes ˈträ], chiefly by bakers ˈtrō, chiefly by Brit bakers ˈtrau̇, dial ]th or ]ft noun

( plural troughs ]fs, ]vz, ]ths, ]thz)

Usage: often attributive

Etymology: Middle English, from Old English trog, troh; akin to Old High German & Old Norse trog trough, Old English trēow tree, wood — more at tree

1.

a. : a large long and usually comparatively shallow open vessel that is often V-shaped in cross section and used especially to hold water or feed for domestic animals

b. : any of various containers used for some domestic or industrial purpose: as

(1) : a bowl, tank, or basin in which something is prepared or processed (as by kneading, washing, brewing, or tanning)

(2) : the vessel under a grindstone that holds water for cooling in grinding ; also : the place where a grindstone stands

(3) : pneumatic trough

(4) : a buddle or other vessel in which mining slimes are sorted in water

(5) : the vessel used for the plating bath in the electroplating process

c. chiefly dialect : tomb , coffin

d. chiefly dialect : any of various small boats (as a dugout) that somewhat resemble a trough for cattle

2.

a. : a conduit for water: as

(1) chiefly dialect : a walled drain

(2) chiefly dialect : a wooden channel forming the headrace of a mill

(3) : eaves trough

b.

(1) : a long and narrow or shallow channel or depression (as between waves or hills)

(2) : an elongated structural depression of the earth (as a graben, a geosyncline, a trench, or an ocean deep)

c. : a usually recessed channel enclosing and concealing utilitarian structural elements (as piping or wiring)

3.

a. : the part of a gravity wave or ripple on a liquid that is the lowest part of the oscillating surface at any given instant — contrasted with crest

b. : the minimum attained by a wave variable during the passage of a complete cycle: as

(1) : an elongated area of low barometric pressure usually with a minimum pressure at each end and between two anticyclones — opposed to ridge

(2) : the low point in a business cycle

(3) : a low part of a statistical curve that is between higher parts and is usually concave upward

II. transitive verb

( -ed/-ing/-s )

: to make into or treat in a trough

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.