A trough is a long narrow container from which farm animals drink or eat.
The old stone cattle trough still sits by the main entrance.
Synonyms: manger, crib, water trough More Synonyms of trough
2. countable noun
A trough is a low area between two big waves on the sea.
The boat rolled heavily in the troughs between the waves. [+ between]
3. countable noun
A trough is a low point in a process that has regular high and low points, for example a period in business when people do not produce as much as usual.
Looking back afterwards you will see that this was not a terminal trough in yourcareer. [+ in]
American bank shares have risen by 60% since their trough last October.
4. countable noun
A troughof low pressure is a long narrow area of low air pressure between two areas of higher pressure.
[technical]
The trough of low pressure extended over about 1000 kilometres.
More Synonyms of trough
trough in British English
(trɒf)
noun
1.
a narrow open container, esp one in which food or water for animals is put
2.
a narrow channel, gutter, or gulley
3.
a narrow depression either in the land surface, ocean bed, or between two successive waves
4. meteorology
an elongated area of low pressure, esp an extension of a depression
Compare ridge (sense 6)
5.
a single or temporary low point; depression
6. physics
the portion of a wave, such as a light wave, in which the amplitude lies below its average value
7. economics
the lowest point or most depressed stage of the trade cycle
verb
8. (intransitive) informal
to eat, consume, or take greedily
Derived forms
troughlike (ˈtroughˌlike)
adjective
Word origin
Old English trōh; related to Old Saxon, Old Norse trog trough, Dutch trügge ladle
trough in American English
(trɔf; trɑf)
noun
1.
a long, narrow, open container of wood, stone, etc. for holding water or food for animals
2.
any similarly shaped vessel, as one for kneading or washing something
3.
a channel or gutter, esp. one under the eaves of a building, for carrying off rainwater
4.
a long, narrow hollow or depression, as between waves
5.
a low in any cycle, esp. in an economic cycle
6.
a long, narrow area of low barometric pressure
Word origin
ME < OE trog, akin to Ger < IE *druk- < base *deru-, tree: basic sense, “hollowed wooden object”