rimrock

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noun

An outcrop of hard rock, often in the form of a cliff at the edge of a plateau, that forms the margin of a gravel deposit

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Meanings

nounrimrock (plural rimrocks)

plural rimrocks

  1. geographyAn outcrop of hard rock, often in the form of a cliff at the edge of a plateau, that forms the margin of a gravel deposit
verbrimrock (third-person singular simple present rimrocks, present participle rimrocking, simple past and past participle rimrocked)

present singular third person rimrocks · participle present rimrocking · participle past rimrocked · past rimrocked

  1. transitiveTo drive (animals) over a cliff edge.

Origin

From rim + rock.

Full word history & related roots →
Cite this entry
APA

rimrock. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rimrock

MLA

“rimrock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rimrock. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rimrock,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rimrock.

Source: rimrock on Wiktionary, CC BY-SA 4.0.