early 19th cent. (originally a North American usage): from French, fall (of water or rocks), from Old French cheoite, feminine past participle of cheoirto fall, from Latin cadere; influenced by shoot1920s: shortened form
英英釋義行業釋義網絡釋義
noun
1.rescue equipment consisting of a device that fills with air and retards your fall
2.sloping channel through which things can descend