—adj.
1 fivefold; consisting of five parts.
2 involving five parties.
3 (of time in music) having five beats in a bar.
—n. a fivefold number or amount.
—v.tr. & intr. multiply by five; increase fivefold.
Derivatives:
quintuply adv.
Etymology: F quintuple f. L quintus fifth, after QUADRUPLE
Useful english dictionary. 2012.