JIG

noun

1. A light, brisk musical movement; a gigue.
2. A lively dance in 6/8 (double jig), 9/8 (slip jig) or 12/8 (single jig) time; a tune suitable for such a dance. By extension, a lively traditional tune in any of these time signatures. Unqualified, the term is usually taken to refer to a double (6/8) jig.
3. (traditional English Morris dancing) A dance performed by one or sometimes two individual dancers, as opposed to a dance performed by a set or team.

verb

1. To move briskly, especially as a dance.
2. To move with a skip or rhythm; to move with vibrations or jerks.
3. To fish with a jig.