[ uh-reyt ]
/ əˈreɪt /
noun Physical Geography, Geology.
a sharp rugged mountain ridge, produced by glaciation.
Origin of arête
1860–65; < French; Old French areste sharp ridge < Latin arista awn, ear of wheat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for arête
/ (əˈreɪt, əˈrɛt) /
a sharp ridge separating two cirques or glacial valleys in mountainous regions
Word Origin for arête
C19: from French: fishbone, backbone (of a fish), ridge, sharp edge, from Latin arista ear of corn, fishbone
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
Science definitions for arête
[ ə-rāt′ ]
A sharp, narrow ridge or spur commonly found above the snow line in mountainous areas that have been sculpted by glaciers. Arêtes form as the result of the continued backward erosion of adjoining cirques.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.