'Trough' definitions:

Definition of 'trough'

From: WordNet
noun
A narrow depression (as in the earth or between ocean waves or in the ocean bed)
noun
A channel along the eaves or on the roof; collects and carries away rainwater [syn: gutter, trough]
noun
A concave shape with an open top [syn: bowl, trough]
noun
A treasury for government funds [syn: public treasury, trough, till]
noun
A long narrow shallow receptacle
noun
A container (usually in a barn or stable) from which cattle or horses feed [syn: manger, trough]

Definition of 'Trough'

From: GCIDE
  • Trough \Trough\ (tr[o^]f), 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. [root]63 & 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. [1913 Webster]
  • 2. Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc. [1913 Webster]
  • 3. (Meteor.) The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point. [Webster 1913 Suppl.]
  • 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. [1913 Webster]

Synonyms of 'trough'

From: Moby Thesaurus