Definition of: breaker

(brā′kər) noun
1. One who or that which breaks.
2. A wave of the sea that breaks on a beach, etc.
3. A structure in which large masses of anthracite coal are broken up, sorted in various sizes, and cleaned for the market.
4. A strip of rubberized fabric attached to a pneumatic tire before the tread is put on, serving to distribute the pressure of the tire in contact with the ground.
5. Naut. A small barrel or cask containing drinking water for those in a lifeboat.