1. A pinnacle of ice among the crevasses of a glacier; also, one of the blocks into which a glacier breaks on a steep grade

Derived forms: seracs

Encyclopedia: Serac

• cooky
• cooky jar
• cool
• cool bag
• cool down
• cool it
• cool jazz
• cool off
• cool one's heels
• cool-white
• coolant
• coolant system
• coolbox
• cooler
• Cooley's anaemia
• Cooley's anemia
• coolheaded
• Coolidge
• coolie
• cooling
• cooling system
• cooling tower
• coolly
• coolness
• coolwart