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crevasse

[kruh-vas]
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noun
  1. a fissure, or deep cleft, in glacial ice, the earth's surface, etc.
  2. a breach in an embankment or levee.
verb (used with object), cre·vassed, cre·vas·sing.
  1. to fissure with crevasses.

Origin of crevasse

1805–15, Americanism; < French; see crevice
Related formsun·cre·vassed, adjective
Can be confusedcrevice crevasse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for crevasse

crevasse

noun
  1. a deep crack or fissure, esp in the ice of a glacier
  2. US a break in a river embankment
verb
  1. (tr) US to make a break or fissure in (a dyke, wall, etc)

Word Origin

C19: from French: crevice
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for crevasse

n.

1823, of glaciers; 1814, of riverbanks (in that case from Louisiana French), from French crevasse, from Old French crevace "crevice" (see crevice). Essentially the same word as crevice, but re-adopted in senses for which the meaning that had taken hold in crevice was felt to be too small.

Online Etymology Dictionary, © 2010 Douglas Harper

crevasse in Science

crevasse

[krĭ-văs]
  1. A deep fissure in a glacier or other body of ice. Crevasses are usually caused by differential movement of parts of the ice over an uneven topography.
  2. A large, deep fissure in the Earth caused by an earthquake.
  3. A wide crack or breach in the bank of a river. Crevasses usually form during floods.♦ The sediments that spill out through the crevasse and fan out along the external margin of the river's bank form a crevasse splay deposit.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.