Definitions

1. noun

a device, especially a measuring device, for measuring and dispensing liquids, such as liquor, or for mixing and measuring ingredients in cooking.

“The bartender used a jigger to measure out the whiskey for the cocktail.”

2. verb

to measure or dispense a liquid, especially liquor, by the jigger.

“She jiggered out a shot of tequila for her friend.”

3. verb

to make something unstable or precarious.

“The strong winds jiggered the boat, threatening to capsize it.”

4. noun

a unit of measurement, especially in nautical contexts, equal to one-tenth of a ton.

“The ship’s cargo was measured in jiggers, and it exceeded the weight limit.”