Definition of rimrock in English:

rimrock

Line breaks: rim|rock
Pronunciation: /ˈrɪmrɒk
 
/

noun

[mass noun] chiefly North American
An outcrop of resistant rock forming a margin to a gravel deposit, especially one forming a cliff at the edge of a plateau: archetypal cowboy terraintableland, rimrock, canyons [as modifier]: a gap in the plateau’s rimrock cliffs [count noun]: they stopped for lunch on a rimrock overlooking a stream
More example sentences
  • The ranch's riding trails head off through open forest toward the Marble Mountain foothills or along rimrock canyon edges with bracing views of Fraser River and the Chilcotin area.
  • As the trio neared the top of the ridge, they found their way blocked by a wall of rimrock.
  • As the mountains pushed up, the river cut deep canyons, the rimrock of which shows 400 million years of erosion.

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Pronunciation: ˈdeɪktɪk
adjective
denoting a word whose meaning depends on context...