(n.) The finely ground meal of wheat, or of any other grain; especially, the finer part of meal separated by bolting; hence, the fine and soft powder of any substance; as, flour of emery; flour of mustard.
(v. t.) To grind and bolt; to convert into flour; as, to flour wheat.
(v. i.) To run swiftly; to rove or range in pursuit or search of something; to scamper.
(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.
(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 pass swiftly over; to brush along; to traverse or search thoroughly; as, to scour the coast.