Jig n.
 1. Mus. A light, brisk musical movement.
    Hot and hasty, like a Scotch jig.   --Shak.
 3. A light, humorous piece of writing, esp. in rhyme; a farce in verse; a ballad. [Obs.]
 A jig shall be clapped at, and every rhyme
 Praised and applauded.   --Beau. & Fl.
 4. A piece of sport; a trick; a prank. [Obs.]
 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. Mach. (a) A small machine or handy tool; esp.: Metal Working 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 template to work to, as in filing. (b) Mining An apparatus or a machine for jigging ore.
 Drill jig, a jig for guiding a drill. See Jig, 6 (a).
 Jig drilling, Jig filing Metal Working, 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.