Definition of finger jam in English:

finger jam

Line breaks: fin¦ger jam

Entry from British & World English dictionary

(also finger lock)

noun

Climbing
A handhold formed by wedging a finger in a crack in the rock.

Definition of finger jam in:

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Word of the day guzzle
Pronunciation: ˈgʌz(ə)l
verb
eat or drink (something) greedily