rimrock

noun

rim·​rock ˈrim-ˌräk How to pronounce rimrock (audio)
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

Examples of rimrock in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But areas with broad canyons in rimrock and badland country seldom get pressured by hunters. — Gerald Almy, Field & Stream, 19 Mar. 2021 The young men opened fire, then hiked down to the foot of the rimrock. — T. Edward Nickens, Field & Stream, 2 June 2020

Word History

First Known Use

1860, in the meaning defined at sense 1

Time Traveler
The first known use of rimrock was in 1860

Browse Nearby Words

rimption
rimrock
rim saw
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Cite this Entry

“Rimrock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rimrock. Accessed 13 Apr. 2025.

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Kids Definition

rimrock

noun
rim·​rock ˈrim-ˌräk How to pronounce rimrock (audio)
1
: the top layer or layers of rock on a plateau that remains as a vertical surface after the land near it is worn away
2
: the edge or surface of a layer of rimrock
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