Lewis & Short

2. Plautus, i, m. [flat-foot, v. 1. plautus],

  1. I. an Umbrian surname.
    So, T. Maccius (or Maccus) Plautus, a celebrated Roman comic poet, a native of the Umbrian village Sarsina.
    (On the name Maccius, instead of the earlier reading Accius or Attius, v. Ritschl, De Plauti poëtae nominibus, in his Parergon Plautinorum I. pp. 3-43; and respecting his life and writings, id. ib. pp. 47-579), Cic. Brut. 15, 60; Quint. 10, 1, 99.
    1. B. Transf., the works of Plautus, a comedy of Plautus: adporto vobis Plautum linguā non manu, Plaut. Men. prol. 3.
      Hence,
  2. II. Plautīnus, a, um, adj., of or belonging to Plautus, Plautian: pater, i. e. a father in a play of Plautus, Cic. Ep. ad Brut. 2, 2 fin.: numeri et sales, Hor. A. P. 270: sermo, Quint. 10, 1, 99: stilus, Gell. 3, 3, 13: prosapia, i. e. poor, mean, because Plautus was said to have worked in a mill, Min. Fel. Octav. 14.
    Sup.: versus Plautinissimi, most Plautus-like, altogether in Plautus’s manner, Gell. 3, 3, 4.