Definition of finger jam in English:

finger jam

Line breaks: fin¦ger jam
(also finger lock)

noun

Climbing
A handhold formed by wedging a finger in a crack in the rock.
More example sentences
  • An alternate finger jam can sometimes be formed where there is a constriction in the crack.
  • I made a series of hand and finger jams up to a large flake that overrides the crack.

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