Lewis & Short

ad-bĭbo, bĭbi, bĭbĭtum, 3, v. a. [ad, intens.], to drink (not in Cic.).

  1. I. Lit.: quando adbibero, Plaut. Stich. 2, 2, 58; so Ter. Heaut. 2, 1, 8; Gell. 2, 22.
  2. II. Trop., of discourse, to drink in, Plaut. Mil. Gl. 3, 3, 10 (cf. devorare dicta, id. As. 3, 3, 59, and Ov. Tr. 3, 5, 14; Sid. Carm. 16, 126).
    Hence of instruction, to drink in eagerly, to listen to attentively: nunc adbibe puro Pectore verba, puer, Hor. Ep. 1, 2, 67.