hand jam1
/ˈhan(d) dʒam/Mountaineering and Rock Climbing
noun
An act of wedging an open hand in a crack as a handhold.
Origin
1940s. From hand + jam. Compare earlier hand-jamming.
hand jam2
/ˈhan(d) dʒam/Mountaineering and Rock Climbing
verb
1 [no object] To climb by using a hand jam or hand jams. With up, over, etc.
2 [with object] To wedge an open hand in (a crack) as a handhold.
Origin
1960s; earliest use found in Punch. From hand + jam, after hand jam.
- counselor-at-law
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- countable noun
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