(n.) Diarrhoea or dysentery among cattle.
(v. i.) To be purged freely; to have a diarrhoea.
(v. i.) To clean anything by rubbing.
(v. i.) To cleanse anything.
(v. i.) To run swiftly; to rove or range in pursuit or search of something; to scamper.
(v. t.) To pass swiftly over; to brush along; to traverse or search thoroughly; as, to scour the coast.
(v. t.) To purge; as, to scour a horse.
(v. t.) 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.
(v. t.) 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.