rimstone

American

[rim-stohn] / ˈrɪmˌstoʊn /

noun

Geology.

a calcareous deposit forming a dam at the edge or outlet of an overflowing pool of water, as in a cavern.

Etymology

Origin of rimstone

First recorded in 1925–30; rim + stone

Example Sentences

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rimstone

And on the far shore a creature that raised its dripping mouth from the rimstone pool and stared into the light with eyes dead white and sightless as the eggs of spiders.

From "The Road" by Cormac McCarthy

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023