1. a person or thing that jigs.
  2. Nautical.
    1. the lowermost sail set on a jiggermast.
    2. jiggermast.
    3. a light tackle, as a gun tackle.
  3. any of various mechanical devices, many of which have a jerky or jolting motion.
  4. Informal. some contrivance, article, or part that one cannot or does not name more precisely: What is that little jigger on the pistol?
  5. Ceramics. a machine for forming plates or the like in a plaster mold rotating beneath a template.
  6. Mining. a jig for separating ore.
  7. a jig for fishing.
  8. Golf. a club with an iron head intermediate between a mashie and a midiron, now rarely used.
  9. Billiards, Pool. a bridge.
    1. a 1½-oz. (45-ml) measure used in cocktail recipes.
    2. a small whiskey glass holding 1½ ounces (45 ml).


  1. Also called jigger flea. chigoe.
  2. Chiefly South Midland and Southern U.S. chigger.

verb (used with object)

  1. to interfere with.
  2. to manipulate or alter, especially in order to get something done illegally or unethically: to jigger company records to conceal a loss.


  1. a person or thing that jigs
  2. golf an iron, now obsolete, with a thin blade, used for hitting long shots from a bare lie
  3. any of a number of mechanical devices having a vibratory or jerking motion
  4. a light lifting tackle used on ships
  5. a small glass, esp for whisky, with a capacity of about one and a half ounces
  6. NZ a light hand- or power-propelled vehicle used on railway lines
  7. engineering a type of hydraulic lift in which a hydraulic ram operates the lift through a block and tackle which increases the length of the stroke
  8. Canadian a device used when setting a gill net beneath ice
  9. mining another word for jig (def. 5)
  10. nautical short for jiggermast
  11. billiards another word for bridge 1 (def. 10)
  12. US and Canadian informal a device or thing the name of which is unknown or temporarily forgotten
  13. Liverpool dialect an alleyway


  1. other names for the chigoe (def. 1)

“1.5-ounce shot glass,” 1836, American English, in early use also of the drink itself, from jigger “illicit distillery” (1824), of unknown origin; or else perhaps from jigger, a 1756 alteration of chigger “tiny mite or flea.” As a name for various appliances, the word is attested by 1825, from jig.


  1. chigger
  2. chigoe

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