proconsulPronunciation: /prəʊˈkɒns(ə)l/Definition of proconsul noun 1a governor of a province in ancient Rome, having much of the authority of a consul. 2a governor or deputy consul of a modern colony. Derivatives proconsularPronunciation: /-sjʊlə/ adjective proconsulatePronunciation: /-sjʊlət/ noun proconsulship noun Origin:from Latin pro consule '(one acting) for the consul'proconsul in other Oxford dictionaries Definition of proconsul in the US English dictionary