A manually operated device used to lift and move pallets chiefly within a warehouse; the most basic form of a forklift.

plural of jack off

An increase or rise; usually said of prices, fees, or rates. / (often attributive) A machine that utilizes jacks or hydraulic lifts.

(US, slang, naval) The storekeeper in charge of dry foodstuffs.

A supposed individual who was an unidentified 19th century serial killer in England, who has become part of folklore.

(US) Alternative form of whisky jack (gray jay, Canada jay).

(Canada) The gray jay, Perisoreus canadensis.

A general-purpose bench plane, used for general sizing of wood and for smoothing or straightening edges.

(slang) To misbehave, fool around. / (slang) To dawdle; to waste time.

(automotive) A jack with a pumping action that lifts a car very quickly