chockstone

名词 n.
中文释义
英 /ˈtʃɒkstəʊn/    美 /ˈt͡ʃɑkstoʊn/

英文释义

名词 n.
  1. A stone, ranging in size from a boulder to a pebble, which has become wedged in a vertical fissure or cleft.
    — In these coldest hours before dawn, from three until six, I take up my knife again and hack at the chockstone. I continue to make minimal but visible progress in the divot.
  2. A metal wedge or nut, threaded on a wire, used in rock climbing for protection by wedging it into a crack in the rock.

词形变化

chockstones plural

词源

From chock + stone. The climbing sense derives from the wedges' use as artificial chockstones.
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