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Definition of Trough
1. Noun. A narrow depression (as in the earth or between ocean waves or in the ocean bed).
2. Noun. A channel along the eaves or on the roof; collects and carries away rainwater.
Generic synonyms: Channel
Specialized synonyms: Chute, Slide, Slideway, Sloping Trough, Cullis
Group relationships: Gable Roof, Saddle Roof, Saddleback, Saddleback Roof
Derivative terms: Gutter
3. Noun. A concave shape with an open top.
4. Noun. A treasury for government funds.
5. Noun. A long narrow shallow receptacle.
6. Noun. A container (usually in a barn or stable) from which cattle or horses feed.
Definition of Trough
1. n. A long, hollow vessel, generally for holding water or other liquid, especially one formed by excavating a log longitudinally on one side; a long tray; also, a wooden channel for conveying water, as to a mill wheel.
2. n. The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point.
Definition of Trough
1. Noun. A long, narrow container, open on top, for feeding or watering animals. ¹
2. Noun. Any similarly shaped container. ¹
3. Noun. (Canada) A gutter under the eaves of a building; an eaves trough. ¹
4. Noun. A short, narrow canal designed to hold water until it drains or evaporates. ¹
5. Noun. A long, narrow depression between waves or ridges. ¹
6. Noun. (meteorology) A linear atmospheric depression associated with a weather front. ¹
7. Noun. (Australia New Zealand) A rectangular container used for washing clothes, a channel for conveying water or other farm liquids (such as milk) from place to place by gravity, or any general 'U' or 'V' shaped channel conveying water for irrigation purposes. ¹
8. Verb. To eat in a vulgar style, as if eating from a trough ¹
¹ Source: wiktionary.com
Definition of Trough
1. a long, narrow receptacle [n -S]
Medical Definition of Trough
1. 1. A long, hollow vessel, generally for holding water or other liquid, especially one formed by excavating a log longitudinally on one side; a long tray; also, a wooden channel for conveying water, as to a mill wheel. 2. Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc. Trough gutter, a rectangular or V-shaped gutter, usually hung below the eaves of a house. Trough of the sea, the depression between two waves. Origin: OE. Trough, trogh, AS. Trog, troh; akin to D, G, & Icel. Trog, Sw. Trag, Dan. Trug; probably originally meaning, made of wood, and akin to E. Tree. & 241. See Tree, and cf. Trug. Source: Websters Dictionary (01 Mar 1998)