jumar

From the name of the Swiss firm Jümar Pangit which manufactured it, in turn from the surnames of Adolf Jüsy and Walter Marti.

• jümar

jumar (plural jumars)

1. (climbing) A device, used to clip on a rope, that tightens when weight is applied, thus allowing the rope to be climbed.
   • 2019, Namwali Serpell, The Old Drift, Hogarth, page 552:

     Jacob handed her the ATC belay device and jumar.

jumar (third-person singular simple present jumars, present participle jumaring or jumarring, simple past and past participle jumared or jumarred)

1. (intransitive) To climb using this device.

jumar (plural jumars)

1. Alternative form of jumart.

• Majur, mujra

jumar

1. only used in se ... jumar, syntactic variant of jumarse