Lewis & Short

prōconsŭlātus, ūs, m. [proconsul].

  1. I. The dignity or office of a proconsul, a proconsulship (post-Aug.), Plin. 14, 22, 28, § 144; Tac. A. 16, 23; 30; Plin. Ep. 3, 9, 2 et mult. al.
  2. II. A proprœtorship, Suet. Aug. 3.