3 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Trough \Trough\, n. (Meteor.)
The transverse section of a cyclonic area where the
barometric pressure, neither rising nor falling, has reached
its lowest point.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Trough \Trough\, n. [OE. trough, trogh, AS. trog, troh; akin to
D., G., & Icel. trog, Sw. tr[*a]g, 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.
From WordNet (r) 2.0 [wn]:
trough
n 1: a narrow depression (as in the earth or between ocean waves
or in the ocean bed)
2: a channel along the eaves or on the roof; collects and
carries away rainwater [syn: {gutter}]
3: a concave shape with an open top [syn: {bowl}]
4: a treasury for government funds [syn: {public treasury}, {till}]
5: a long narrow shallow receptacle
6: a container (usually in a barn or stable) from which cattle
or horses feed [syn: {manger}]