, a large chockstone or suspended boulder in Norway.
chock + stone. The climbing sense derives from the wedges' use as artificial chockstones.
chockstone (plural chockstones)
- A stone, ranging in size from a boulder to a pebble, which has become wedged in a vertical fissure or cleft.
- A metal wedge or nut, threaded on a wire, used in rockclimbing for protection by wedging it into a crack in the rock.