Lewis Short
(adjective) : rūrestris, e, rus
* Of or belonging to the country, rustic, rural (post-class.): opus,Dig. 32, 1, 99; Cod. Just. 4, 65, 31: arva,App. M. 8, p. 203: campi,id. ib. 7, p. 194: vocabulum,id. ib. 4, p. 143: tibia,Mart. Cap. 9, § 906.
Charlton T. Lewis, Charles Short, A Latin Dictionary