TROUGH

Definition of TROUGH

  1. (noun)a narrow depression (as in the earth or between ocean waves or in the ocean bed)
  2. (noun)a channel along the eaves or on the roof; collects and carries away rainwater
  3. (noun)a concave shape with an open top
  4. (noun)a treasury for government funds
  5. (noun)a long narrow shallow receptacle
  6. (noun)a container (usually in a barn or stable) from which cattle or horses feed