karabiner

Definitions of karabiner
1

n an oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes

Synonyms:
carabiner, snap ring
Type of:
fastener, fastening, fixing, holdfast
restraint that attaches to something or holds something in place
hoop, ring
a rigid circular band of metal or wood or other material used for holding or fastening or hanging or pulling

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