noun A double-ended vessel, generally of stainless steel or other metal, one end of which typically measures 1½ fluid ounces (approx. 44 ml), the other typically 1 fluid ounce (approx. 30 ml).
noun A measure of 1½ fluid ounces (approx. 44 ml) of liquor.
noun A drink of whiskey.
noun The sieve used in sorting or separating ore.
noun One who jigs; a miner who sorts or cleans ore by the process of jigging.
noun A horizontal lathe used in producing flatware.
noun A device used in the dyeing of cloth.
noun A pendulum rolling machine for slicking or graining leather.