Jig — Defs

01 n. A light, brisk musical movement.

1.
A light, brisk musical movement.(Mus.)
“Hot and hasty, like a Scotch jig.” — Shak.
2.
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.
3.
A piece of sport; a trick; a prank.[Obs.]
“Is't not a fine jig, A precious cunning, in the late Protector?” — Beau. & Fl.
4.
A trolling bait, consisting of a bright spoon and a hook attached.
5.
A small machine or handy tool(Mach.)

Phrases & compounds

Drill jig — a jig for guiding a drill. See Jig, 6 (a).

Jig drilling — 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.

02 v. t. To sing to the tune of a jig.

imp. & p. p. Jigged; p. pr. & vb. n. Jigging

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.
To sort or separate, as ore in a jigger or sieve. See Jigging, n.(Mining) See: Jigging
4.
To cut or form, as a piece of metal, in a jigging machine.(Metal Working)

03 v. i. To dance a jig; to skip about.

1.
To dance a jig; to skip about.
“You jig, you amble, and you lisp.” — Shak.
2.
To move with a skip or rhythm; to move with vibrations or jerks.
“The fin would jig off slowly, as if it were looking for nothing at all.” — Kipling.