Trough (?), n. (Meteor.) The transverse section of a cyclonic
area where the barometric pressure, neither rising nor falling, has reached its lowest point.
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.
Hear it pronounced