Proconsular \Pro*con"su*lar\, Proconsulary \Pro*con"su*la*ry\, a. [L. proconsularis: cf. F. proconsulaire.] [1913 Webster] 1. Of or pertaining of a proconsul; as, proconsular powers. [1913 Webster] 2. Under the government of a proconsul; as, a proconsular province. [1913 Webster]