The term 'Proconsul' is a 9-letter crossword solution for the term 'Provincial Governor'. Proconsul was a title used in the Roman Republic and Roman Empire for high-ranking officials. It was derived from the Latin pro consule, meaning 'in place of the consul'. In the Roman Republic, a Proconsul was a governor of a province who was appointed by the Senate and held imperium, or executive power. In the Roman Empire, a Proconsul was a governor of a province who was appointed by the Emperor and held imperium.