trough

Meanings

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

Synonyms

bowl, gutter, manger, public treasury, till