Lewis & Short

1. quā̆drŭplātor (quadrĭplātor, Fest. p. 259 Müll. v. h. v.: quădrŭpŭlā-tor, Plaut. Pers. 1, 2, 18), ōris, m. [quadruplo].

  1. I. One who multiplies by four, a quadrupler, App. Mag. p. 330, 20.
    1. B. Transf., a multiplier, magnifier, exaggerator: beneficiorum suorum, Sen. Ben. 7, 25, 1.
  2. II. One who farmed the tolls, of which he received a fourth part, Sid. Ep. 5, 7.