TROUGH

Definition

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