Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

quā̆drŭplex, ĭcis, adj. [quattuor-plico].

  1. I. Fourfold, quadruple: pecunia, Plaut. Curc. 5, 2, 21: ordo, Liv. 30, 10: quadruplici radice, Plin. 27, 8, 38, § 60.
  2. * II. Poet., in gen., four: stellae, Cic. Arat. 92.
  3. III. As subst.: quā̆drŭplex, ĭcis, n., a fourfold amount: gubernatoribus duplex, magistris quadruplex dedit, Liv. 45, 42, 1.

quā̆drŭplĭco, āvi, ātum, 1, v. a. [quadruplex], to multiply by four, make fourfold, quadruplicate: rem suam, one’s property, Plaut. Stich. 3, 1, 4: numerum, Dig. 38, 10, 10.
Hence, adv.: quădrŭplĭcā-tō, four times as much, quadruply (postAug.), Plin. 2, 17, 14, § 76: emptis vineis, id. 14, 4, 5, § 51.