Lewis & Short

per-plŭo (old form perplouo, Fest. s. v. patera, p. 250 Müll.; v. in the foll.), ĕre, v. n. and a.

  1. I. Neutr.
    1. A. To rain through, rain in: quā possit ex imbribus aqua perpluere, Vitr. 2, 8, 18.
      Impers.: circuire oportet, sicubi perpluat, Cato, R. R. 155.
    2. B. To let the rain through, admit the rain: venit imber, perpluunt tigna, Plaut. Most. 1, 2, 30: cum cenaculum perplueret, Quint. 6, 3, 64: pateram perplouere in sacris cum dicitur significat, pertusam esse, Fest. s. v. patera, p. 250 Müll.
      Trop.: benefacta benefactis aliis pertegito, ne perpluant, i. e. fall to ruin, lose their value, Plaut. Trin. 2, 2, 38 (320 Ritschl).
  2. II. Act.
    1. A. To rain any thing through or into; trop.: tempestas, quam mihi amor in pectus perpluit meum, has rained into, Plaut. Most. 1, 3, 7.
    2. * B. To sprinkle profusely with something: crocus capellas odore perpluit, App. M. 10, p. 255, 40.