Category:Trough

Trough, n. Etym: [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. 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.