One thousand catties, a unit of weight; used to describe something extremely heavy or a weighty responsibility

(abbreviation) A device used for lifting heavy loads, such as a car jack

(bound form) A mechanical part, such as a lever or bolt, that fits into the notches of a ratchet wheel to prevent backward motion

The string loop on a traditional stringed instrument, like the 二胡 èr​hú, that ties the strings to the neck to define their vibrating length