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| trough [ trawf, trof ] (plural troughs) |
noun |
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| Definition: |
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1. container for animal food or water: a long low narrow open container that holds feed or water for animals
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2. industry industrial container: a long low narrow open container used in industry, e.g. in washing, kneading, or mixing substances
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3. channel for liquid: a narrow channel, gully, or gutter in which liquid passes, especially one under the eaves of a roof for catching rainwater
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4. meteorology area of low pressure: an elongated area of low atmospheric pressure that may be associated with a front.
See also ridgen (sense 3)
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5. geography sunken area: a long hollow area in the surface of the ground or the sea bed, or between waves
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6. low point: a low or negative point, especially a temporary one
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7. economics lowest point of economic cycle: the lowest point or period of an economic cycle
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8. physics low part of wave or signal: the low or negative half of the amplitude in the cycle of a periodic wave or alternating signal
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| [ Old English trog< Indo-European, "wood, tree"] |
