Main definitions of hand jam in English

: hand jam1hand jam2

hand jam1

Pronunciation /ˈhan(d) dʒam/

noun

Mountaineering
  • An act of wedging an open hand in a crack as a handhold.

Origin

1940s. From hand + jam.

Main definitions of hand jam in English

: hand jam1hand jam2

hand jam2

Pronunciation /ˈhan(d) dʒam/

verb

Mountaineering
  • 1To climb by using a hand jam or hand jams. With up, over, etc.

  • 2To wedge an open hand in (a crack) as a handhold.

Origin

1960s; earliest use found in Punch. From hand + jam, after hand jam.