v. t. | 1. | To rub hard with something rough, as sand or Bristol brick, especially for the purpose of cleaning; to clean by friction; to make clean or bright; to cleanse from grease, dirt, etc., as articles of dress. |
| 2. | To purge; as, to scour a horse. |
| 3. | To remove by rubbing or cleansing; to sweep along or off; to carry away or remove, as by a current of water; - often with off or away. |
| 4. | To pass swiftly over; to brush along; to traverse or search thoroughly; as, to scour the coast. |
| 5. | To cleanse or clear, as by a current of water; to flush. |
v. i. | 1. | To clean anything by rubbing. |
| 2. | To cleanse anything. |
| 3. | To be purged freely; to have a diarrha. |
| 4. | To run swiftly; to rove or range in pursuit or search of something; to scamper. |
n. | 1. | Diarrha or dysentery among cattle. |
| 2. | The act of scouring. |
| 3. | A place scoured out by running water, as in the bed of a stream below a fall. |