trough /ˈtrɔf, ˈtrɔθ, ||ˈtro/
 木缽,水槽,馬槽


 trough
 谷,溝,槽


 Trough n.
 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.
 3. Meteor. The transverse section of a cyclonic area where the barometric pressure, neither rising nor falling, has reached its lowest point.
 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.

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 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]