—n. 1. a cobblestone.
2. cobbles,coal in lumps larger than a pebble and smaller than a boulder.
3. Metalworking. a. a defect in a rolled piece resulting from loss of control over its movement.
b. Slang.a piece showing bad workmanship.
—v.t. to pave with cobblestones.
Pronunciation: (kob'ul),[key] —n. New England, New York, and New Jersey.(esp. in placenames) a rounded hill.