a. [ L. quintus fifth: cf. F. quintuple, L. quintuplex. Cf. Quadruple. ] Multiplied by five; increased to five times the amount; fivefold. [ 1913 Webster ]

Quintuple time (Mus.), a time having five beats in a measure. It is seldom used. [ 1913 Webster ]

v. t. [ imp. & p. p. Quintupled p. pr. & vb. n. Quintupling. ] [ Cf. F. quintupler. ] To make fivefold, or five times as much or many. [ 1913 Webster ]

{ } a. (Bot.) The same as Quinquenerved. [ 1913 Webster ]

n. [ From Quintuple. ] 1. A collection or combination of five of a kind. [ Webster 1913 Suppl. ]

2. pl. Five children born in the same labor. [ Webster 1913 Suppl. ]

3. (Mus.) A group of five connected notes; a turn of five notes. [ Webster 1913 Suppl. ]

4. A cycle having five crank shafts and adapted for five riders, all of whom can assist in the propulsion. [ Webster 1913 Suppl. ]

n. pl. five children born from one mother in a single pregnancy. [ PJC ]

a. Having the ratio of one to five; as, subquintuple proportion. Bp. Wilkins. [ 1913 Webster ]