from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A sharp, narrow mountain ridge or spur.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A very thin ridge of rock.

from the GNU version of the Collaborative International Dictionary of English

  • n. An acute and rugged crest of a mountain range or a subsidiary ridge between two mountain gorges.

from The Century Dictionary and Cyclopedia

  • n. A sharp ridge or rocky spur of a mountain.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a sharp narrow ridge found in rugged mountains


French, from Old French areste, fishbone, spine, from Late Latin arista, awn, fishbone, from Latin, awn.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowing from French arête, from Latin arista. (Wiktionary)


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