Definition of: jig

(jig) noun
1. A light, gay dance to a rapid tune, usually in triple time, or the music for it.
2. A practical joke.
3. Mech. A tool or fixture used to guide cutting tools.
4. A fish hook having a loaded shank.
5. Mining A wire sieve or system of sieves used in separating ore by vibration.
—the jig is up Colloq. All is over and done.
—v. jigged, jig·ging v.i.
1. To dance or play a jig.
2. To move with quick, jerky motions.
3. To fish with a jig.
4. Mech. To use a jig.
—v.t.
5. To sing or play to the time of a jig.
6. To dance, as a jig.
7. To jerk up and down or to and fro.
8. To catch (fish) by hooking through the body with a jig.
9. Mech. To form or produce with the aid of jigs. [Cf. OF gigue a fiddle]
JIG
a. A drill jig.
b. Matter to be drilled.
c. Support block.