01 n. A long, hollow vessel, generally for holding water or other liquid, especially one formed by excavating a log longitudinally on one side; a…
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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.
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2.
Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc.
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3.
The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point.(Meteor.)
Phrases & compounds
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.