[ 'kwɒdrʊp(ə)l , kwɒ'dru:p(ə)l ]
■ adjective
1》 consisting of four parts or elements.
2》 consisting of four times as much or as many.
3》 (of time in music) having four beats in a bar.
■ verb increase or be increased fourfold.
■ noun a ~ thing, number, or amount.
Derivatives
quadruply adverb
Origin
ME: via Fr. from L. quadruplus , from quadru- 'four' + -plus as in duplus (see duple ).