Webster’s Revised Unabridged Dictionary · 1913
Oppidan
Op′pi·dan (ŏp′pĭ·dan), a. [L. oppidanus, fr. oppidum town.] Of or pertaining to a town. Howell.
Op′pi·dan, n. 1. An inhabitant of a town.
2. A student of Eton College, England, who is not a King's scholar, and who boards in a private family.