n. [ See Jig, n. & v. ] 1. One who, or that which, jigs; specifically, a miner who sorts or cleans ore by the process of jigging; also, the sieve used in jigging. [ 1913 Webster ] 2. (Pottery) (a) A horizontal table carrying a revolving mold, on which earthen vessels are shaped by rapid motion; a potter's wheel. (b) A template or tool by which vessels are shaped on a potter's wheel. [ 1913 Webster ] 3. (Naut.) (a) A light tackle, consisting of a double and single block and the fall, used for various purposes, as to increase the purchase on a topsail sheet in hauling it home; the watch tackle. Totten. (b) A small fishing vessel, rigged like a yawl. [ New Eng. ] (c) A supplementary sail. See Dandy, n., 2 (b). [ 1913 Webster ] 4. A pendulum rolling machine for slicking or graining leather; same as Jack, 4 (i). [ 1913 Webster ] 5. A small glass or measuring vessel holding 11/2 ounces (45 ml), used mostly for measuring liquor or drinking whiskey; also, the quantity of liquid held in a jigger. [ PJC ] 6. A thingamajig. [ Colloq. ] [ PJC ]
Jigger mast. (Naut.) (a) The after mast of a four-masted vessel. (b) The small mast set at the stern of a yawl-rigged boat. [ 1913 Webster ]
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