Jigger (noun)

1. A jigger refers to a small measure of liquid, typically used in the context of bartending or cocktail making, equal to about 1.5 fluid ounces (44 milliliters).
2. A jigger also refers to a small, hand-operated machine for drilling or boring holes in wood, metal, or other materials.

Origin:

The word jigger is a word of uncertain origin.

Examples:

1. The bartender used a jigger to measure the gin for the martini.
2. The recipe called for a jigger of vermouth and two jiggers of gin.
3. The carpenter used a jigger to drill holes in the wood.
4. A jigger is a small, hand-operated machine for drilling or boring holes.
5. A jigger is a machine that is used to make small holes in metal or wood.