nappe Hear it!

nappe definition

nappe (nap)

noun

  1. Geol. a mass or sheet of rock that has been moved horizontally by geologic forces
  2. Geom. either of the two identical portions of a cone (sense ) that meet at the vertex: each portion is equivalent to a right circular cone

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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