Source : Webster's Revised Unabridged Dictionary (1913)

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

   2. Under the government of a proconsul; as, a proconsular
      province.

Source : WordNet®

proconsular
     adj : of or relating to or typical of a proconsul; "proconsular
           offices"