Noun
An officer who discharged the duties of a consul without being himself consul; a governor of, or a military commander in, a province. He was usually one who had previously been consul.
Source: Webster's dictionaryBirley (1999), p. 50. In 173 Severus' kinsman Gaius Septimius Severus was appointed proconsul of the Africa Province. Source: Internet
Everitt, A. "Cicero: The Life and Times of Rome's Greatest Politician" (2001), pgs. 186–188 He served as proconsul of Cilicia from May 51 to November 50 BC. Source: Internet
In Africa Cyprian courageously prepared his people for the expected edict of persecution by his De exhortatione martyrii, and himself set an example when he was brought before the Roman proconsul Aspasius Paternus (August 30, 257). Source: Internet
Brutus was also active in the province of Cilicia, in the year before Cicero was proconsul there; Cicero documents how Brutus profited from money lending to the provincials in his Letters. Source: Internet
He was a senator under Commodus and governor of Smyrna after the death of Septimius Severus ; and afterwards suffect consul around 205, and also proconsul in Africa and Pannonia. Source: Internet
It was decreed by the proconsul that the first day of the year in the new calendar shall be Augustus' birthday, a.d. IX Kal. Source: Internet