fourfold; consisting of four parts: a quadruple alliance.
2.
four times as great.
3.
Music. having four beats to a measure.
–noun
4.
a number, amount, etc., four times as great as another.
5.
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.
–verb (used with object), verb (used without object)
6.
to make or become four times as great: To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.
Origin: 1325–75; ME < L quadruplus;cf. quadru-, duple
Four times as much in size, strength, number, or amount.
Music Having four beats to the measure.
n. A fourfold amount or number. tr. & intr.v.
quad·ru·pled, quad·ru·pling, quad·ru·ples To multiply or be multiplied by four: quadrupled the order; quadrupled in size.
[From Middle English quadriple, fourfold amount, and quadruple, tooth with four roots, both from Old French quadruple, from Latin quadruplum, from neuter of quadruplus, fourfold : quadru-, quadri-, quadri- + -plus, -fold; see pel-2 in Indo-European roots.] quad·ru'ply adv.
[kwo-droo-puh
l, -druhp-uh
adjective, noun, verb, -pled, -pling.