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
   - gutter 
3. A concave shape with an open top
   - bowl 
4. A treasury for government funds
   - public treasury, till 
5. A long narrow shallow receptacle 
6. A container (usually in a barn or stable) from which cattle or horses feed
   - manger

Derived forms: troughs

Type of: channel, concave shape, concavity, container, depression, exchequer, incurvation, incurvature, natural depression, receptacle, treasury

Part of: gable roof, saddle roof, saddleback, saddleback roof

Encyclopedia: Trough

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• celery
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• char
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