TROUBLOUS
Trou"blous, a.
Defn: Full of trouble; causing trouble. "In doubtful time of troublous need." Byron. A tall ship tossed in troublous seas. Spenser.
TROU-DE-LOUP Trou"-de-loup", n.; pl. Trous-de-loup(Etym: [F. trou hole + de of + loup wolf.] (Mil.)
Defn: A pit in the form of an inverted cone or pyramid, constructed as an obstacle to the approach of an enemy, and having a pointed stake in the middle. The pits are called also trapholes.
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.
TROUGH-SHELL
Trough"-shell`, n. (Zoöl.)
Defn: Any bivalve shell of the genus Mactra. See Mactra.
TROUL
Troul, v. t. & i.