Lewis & Short

praedĭcātor, ōris, m. [1. praedico].

  1. I. In gen., one who makes a thing publicly known, a proclaimer, publisher, crier (postclass.), App. M. 6, p. 176, 4.
  2. II. In partic.
    1. A. One who publicly commends a thing, a praiser, eulogist (class.): beneficii, Cic. Balb. 2, 4: te ipso praedicatore ac teste, id. Fam. 1, 9, 6; Plin. Ep. 7, 33, 2.
    2. B. In eccl. Lat., a preacher, Tert. adv. Marc. 4, 28 med.: gentium (cf. Paul), Sulp. Sev. Ep. 1, 6; Vulg. 1 Tim. 2, 7.