[si-rak; French sey-rak]
- a large irregularity of glacial ice, as a pinnacle found in glacial crevasses and formed by melting or movement of the ice.
Origin of sérac
1855–60; < French sérac kind of white cheese (compare Medieval Latin serācium), ultimately < Latin serum whey
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for serac
The region was one of serac where the glacier was puckered up, folded and crushed.
For many hours a way was won through a mighty turmoil of serac and over innumerable crevasses with varied fortune.
Retracing the way out of the broken ice, we steered in a south-westerly direction, just above the line of serac and crevassed ice.
Whether a stone underfoot gave way, or whether the Admiral's voice brought down a serac of rotten wall, is not clear.The Astonishing History of Troy Town
Sir Arthur Thomas Quiller-Couch
It is heavily crevassed, as though it once formed the serac portion of a glacier.South!
Sir Ernest Shackleton
- a pinnacle of ice among crevasses on a glacier, usually on a steep slope
C19: from Swiss French: a variety of white cheese (hence the ice that it resembles) from Medieval Latin serācium, from Latin serum whey