A stone that has become wedged in a vertical cleft.
〔登山〕塞石（楔在垂直裂缝中的石块）
Example sentencesExamples
Climb the rest of the chimney more easily (but with interest) past the chockstones and into the Eeyrie to belay.
A refrigerator-size chockstone is wedged between the walls ten feet downstream from the ledge, giving the space ahead the claustrophobic feel of a short tunnel.
The tiny pebble of a chockstone is completely hidden by the sling looped over it so that it appears you are abseiling on a piece of tape wedged into a vertical crack…
I followed and when I arrived at the slung chockstone I yelled for slack to get some rope in order to lower myself across the slab.
A large obstacle in the form of a twenty-five foot wall was overcome by an easy ramp-chimney with a chockstone at the top which was bypassed using a foot-jam in a small crack.
Definition of chockstone in US English:
chockstone
nounˈCHäkˌstōn
Climbing
A stone that has become wedged in a vertical cleft.
〔登山〕塞石（楔在垂直裂缝中的石块）
Example sentencesExamples
The tiny pebble of a chockstone is completely hidden by the sling looped over it so that it appears you are abseiling on a piece of tape wedged into a vertical crack…
A refrigerator-size chockstone is wedged between the walls ten feet downstream from the ledge, giving the space ahead the claustrophobic feel of a short tunnel.
I followed and when I arrived at the slung chockstone I yelled for slack to get some rope in order to lower myself across the slab.
A large obstacle in the form of a twenty-five foot wall was overcome by an easy ramp-chimney with a chockstone at the top which was bypassed using a foot-jam in a small crack.
Climb the rest of the chimney more easily (but with interest) past the chockstones and into the Eeyrie to belay.