chockstone английский

Значение chockstone значение

Что в английском языке означает chockstone?

chockstone

A stone, ranging in size from a boulder to a pebble, which has become wedged in a vertical fissure or cleft. (climbing) A metal wedge or nut, threaded on a wire, used in rock climbing for protection by wedging it into a crack in the rock.

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