What is the meaning of trough?

A narrow depression (as in the earth or between ocean waves or in the ocean bed. )
A channel along the eaves or on the roof; collects and carries away rainwater.
- synonyms: gutter
A concave shape with an open top.
- synonyms: bowl
A treasury for government funds.
- synonyms: public treasury, till
A long narrow shallow receptacle.
A container (usually in a barn or stable) from which cattle or horses feed.
- synonyms: manger

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APA	WordNet. (2010). trough. Retrieved September 20, 2026, from http://smartdefine.org/trough/definitions/1209255
Chicago	WordNet. 2010. "trough" http://smartdefine.org/trough/definitions/1209255 (accessed September 20, 2026).
Harvard	WordNet 2010, trough, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/trough/definitions/1209255>.
MLA	WordNet. "trough" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/trough/definitions/1209255>

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