1 One that jigs or operates a jig.
2. Any of several sails.
3. A mechanical device usually with a jerky reciprocating motion.
4. A mold or a machine incorporating a revolving mold on which ceramic items (as plates) are formed.
5. Gadget, Doodad.
6. A measure used in mixing drinks that usually holds 1 to 2 ounces (30 to 60 milliliters).

1 Chigoe, chigger
2 [alteration of jigger] A 6-legged mite larva (family Trombiculidae) that sucks the blood of vertebrates and causes intense irritation.

1. To jerk up and down
2. To alter or rearrange especially by manipulating