chockstone

n. 山中裂缝中的岩石

发音

UK /ˈtʃɒkstəʊn/
其它
US /ˈt͡ʃɑkstoʊn/

词形变化

chockstones 复数 chockstones

释义与例句

n.
  1. 1.

    A stone, ranging in size from a boulder to a pebble, which has become wedged in a vertical fissure or cleft.

  2. 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.

    体育

词源

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

来源：wiktionary