| jig | 1. A light, brisk musical movement. "Hot and hasty, like a Scotch jib." (Shak) 3. A light, humorous piece of writing, especially. In rhyme; a farce in verse; a ballad. "A jig shall be clapped at, and every rhyme Praised and applauded." (Beau. & Fl) 4. A piece of sport; a trick; a prank. "Is't not a fine jig, A precious cunning, in the late Protector?" (Beau & Fl) 5. A trolling bait, consisting of a bright spoon and a hook attached. 6. <machinery> A contrivance fastened to or inclosing a piece of work, and having hard steel surfaces to guide a tool, as a drill, or to form a shield or templet to work to, as in filing. <chemical> An apparatus or a machine for jigging ore. Drill jig, a jig for guiding a drill. See Jig. 6 . <chemistry> Jig drilling, Jig filing, a process of drilling or filing in which the action of the tool is directed or limited by a jig. Jig saw, a sawing machine with a narrow, vertically reciprocating saw, used to cut curved and irregular lines, or ornamental patterns in openwork, a scroll saw; called also gig saw. Origin: OF. Gigue a stringed instrument, a kind of dance, F. Gigue dance, tune, gig; of German origin; cf. MHG. Gige fiddle, G. Geige. Cf. Gig a fiddle, Gig a whirligig. 1. To sing to the tune of a jig. "Jig off a tune at the tongue's end." (Shak) 2. To trick or cheat; to cajole; to delude. 3. <chemical> To sort or separate, as ore in a jigger or sieve. See Jigging. 4. <chemistry> To cut or form, as a piece of metal, in a jigging machine. Origin: Jigged; Jigging. Source: Websters Dictionary (01 Mar 1998) |
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| jigger | 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. 2. A horizontal table carrying a revolving mold, on which earthen vessels are shaped by rapid motion; a potter's wheel. A templet or tool by which vessels are shaped on a potter's wheel. 3. 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. A small fishing vessel, rigged like a yawl. A supplementary sail. See Dandy, 2 . 4. A pendulum rolling machine for slicking or graining leather; same as Jack, 4 . Jigger mast. The after mast of a four-masted vessel. The small mast set at the stern of a yawlrigged boat. See: Jig, n. & v. <zoology> A species of flea (Sarcopsylla, or Pulex, penetrans), which burrows beneath the skin. See Chigoe. Origin: A corrupt. Of chigre. Source: Websters Dictionary (01 Mar 1998) |
| jigging | <chemical> The act or using a jig; the act of separating ore with a jigger, or wire-bottomed sieve, which is moved up and down in water. Jigging machine. <chemical> A machine with a rotary milling cutter and a templet by which the action of the cutter is guided or limited; used for forming the profile of an irregularly shaped piece; a profiling machine. Source: Websters Dictionary (01 Mar 1998) |