[ˈdʒuːmə], (Noun)

Definitions:
- a clamp that is attached to a fixed rope and automatically tightens when weight is applied and relaxes when it is removed.


Phrases:

Origin:
1960s: originally in Swiss use, of unknown origin

[ˈdʒuːmə], (Verb)

Definitions:
- climb with the aid of a jumar
(e.g: the second climber jumars up the fixed rope)


Phrases:

Origin: