Rimrock

/ˈrɪmrɒk/

Origin

An Americanism dating back to 1855–60; rim + rock1 (Source: dictionary.com)

Definitions of Rimrock

Rimrock

noun

  1. rock forming the natural boundary of a plateau or other rise.
  2. bedrock forming the natural boundary of a placer or of a gravel deposit.
  3. rock forming the boundaries of a sandy or gravelly alluvial deposit

dictionary.com

Rimrock

noun

  1. An outcrop of resistant rock forming a margin to a gravel deposit, especially one forming a cliff at the edge of a plateau.

lexico.com

Rimrock

noun

  1. : a top stratum or overlying strata of resistant rock of a plateau that outcrops to form a vertical face
  2. : the edge or face of a rimrock outcrop

merriam-webster.com

Example sentences for Rimrock

  1. On either side were brownish red jagged peaks and rimrock faces, specked with snow.
  2. The rimrock and the gravels above and below it constitute the Rattlesnake Formation.
  3. We followed along the ledge around the rimrock until we came to a little pass through.
  4. One after another they leaped over the edge of the rimrock until most of the flock was destroyed.

Nearby words

rimmed steel , rimmer , rimose , rimouski , rimple , rimsky-korsakov , rimstone , rimu , rimula , rimy

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