[a. L. convictor, -ōrem, one who lives with another, table companion, f. convivĕre to live or dine together.] A table companion; a boarder, commoner.
In Academical Latin, e.g., in the Laudian Statutes of the Univ. of Oxford, 1636, one of the equivalents of commensalis COMMONER: e.g., p. 265. Nullus convictor sive commensalis. In Eng. use, in Roman Catholic seminaries and colleges.
1647. Crashaw, Poems, 195. Lift our lean souls, and set us up Convictors of Thine own full cup.
1674. Blount, Glossogr., Convictor, a daily companion at a Table, a Sojourner. One that lives and diets in a Religious House, but is not tied to the Rules of it.
1708. Coles, Convictor, a boarder.
1845. G. Oliver, Collect. Biog. Soc. Jesus, 84. The second became convictor of the English College at Rome in 1667.
1889. Hadfield, Hist. St. Maries Mission Ch., Sheffield. He took up his residence at Ushaw College as a convictor.