I. jig 1 /dʒɪɡ/ BrE AmE noun [countable]
1 . a type of quick dance, or a piece of music for this dance
2 . a piece of equipment for holding a tool, a piece of wood etc in position
II. jig 2 BrE AmE verb ( past tense and past participle jigged , present participle jigging ) [intransitive always + adverb/preposition]
[ Date: 1500-1600 ; Origin: Probably from French giguer 'to dance' , from Old French gigue 'violin' ]
to dance or move up and down with quick short movements