/ Dictionary / Index J jigger: Meaning and Definition of Find definitions for: jig•ger Pronunciation: ( jig'ur), [key] — n. a person or thing that jigs. the lowermost sail set on a jiggermast. jiggermast. a light tackle, as a gun tackle. any of various mechanical devices, many of which have a jerky or jolting motion. some contrivance, article, or part that one cannot or does not name more precisely: What is that little jigger on the pistol? a machine for forming plates or the like in a plaster mold rotating beneath a template. a jig for separating ore. a jig for fishing. a club with an iron head intermediate between a mashie and a midiron, now rarely used. a bridge. a 112-oz. (45-ml) measure used in cocktail recipes. a small whiskey glass holding 112 oz. (45 ml). jig•ger Pronunciation: ( jig'ur), [key] — n. Also calledchigoe. chigger. jig•ger Pronunciation: ( jig'ur), [key] — v.t. to interfere with. to manipulate or alter, esp. in order to get something done illegally or unethically: to jigger company records to conceal a loss. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jigger (Thesaurus) jig back jiggered Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language