quadruple: Meaning and Definition of

quad•ru•ple

1. fourfold; consisting of four parts: a quadruple alliance.
2. four times as great.
3. having four beats to a measure.

1. a number, amount, etc., four times as great as another.
2. something, as a series of acrobatic somersaults, made up of four clearly defined parts or stages: the first trapeze artist to perform a quadruple successfully.

1. to make or become four times as great: To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.