yardang

[yahr-dahng]
noun Geology.
  1. a keel-shaped crest or ridge of rock, formed by the action of the wind, usually parallel to the prevailing wind direction.

Origin of yardang

earlier jardang, term introduced by Sven Hedin (1904); perhaps a compound with Uigur yar cliff, precipice, or a cognate Turkic word
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018