The Collaborative International Dictionary
Quintuple time
Quintuple \Quin"tu*ple\, a. [L. quintus fifth: cf. F. quintuple, L. quintuplex. Cf. Quadruple.] Multiplied by five; increased to five times the amount; fivefold.
Quintuple time (Mus.), a time having five beats in a measure. It is seldom used.