(jig′ər) noun
1. One who or that which jigs.
2. One of various jolting mechanisms: an apparatus for separating ores by jolting in sieves in water.
3. A potter's wheel.
4. Naut. A small spanker sail set on a short mast in the stern of a canoe; also, a small smacklike boat carrying such a sail.
5. Jiggermast.
6. A short, lofting, iron–headed golf club used for approaching.
7. A support for a billiard cue when about to strike a ball in an awkward position; a bridge.
8. A small glass or cup for measuring liquor, holding about one ounce; also, the amount of liquor so measured.
9. Colloq. Any small indefinite device.

(jig′ər) noun
1. A chigger or chigoe: also jigger flea.
2. Some other insect of similar habits to the chigoe, as a harvest tick. [Alter. of CHIGGER]