Trough (?), n. [OE. trough, trogh, AS. trog, troh; akin to D., G., & Icel. trog, Sw. tråg, Dan. trug; probably originally meaning, made of wood, and akin to E. tree. &?; & 241. See Tree, and cf. Trug.]

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 (Arch.), a rectangular or V- shaped gutter, usually hung below the eaves of a house. --
Trough of the sea, the depression between two waves.

 

© Webster 1913


Trough (?), n. (Meteor.)

The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point.

 

© Webster 1913

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