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

• Nilo-Saharan
• Nilo-Saharan language
• Nilotic
• Nilotic language
• nilpotent
• Nilsson
• nim
• nim tree
• nimble
• nimble-fingered
• nimbleness
• nimblewill
• nimbly
• nimbostratus
• nimbus
• nimbus cloud
• Nimby
• nimiety
• niminy-piminy
• nimious
• Nimitz
• Nimravus
• Nimrod
• nin-sin
• Nina