karabiner 登山用岩钉钢环缩写自德语karabiner-haken,弹簧钩，来自karabiner,卡宾枪，词源同carbine,haken,钩子，词源同hook.原指卡宾枪的带钩。
- karabiner (n.)
- coupling device, 1932, shortened from German karabiner-haken, usually translated as "spring hook."
- 1. Auto - lock - Spring - loaded , twisting mechanism on a karabiner gate that locks by itself when the gate is closed.
- 铁锁锁门上的弹簧扭转装置,锁门关闭时可以自行锁定.
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