Appian \Ap"pi*an\, a. [L. Appius, Appianus.] Of or pertaining to Appius. {Appian Way}, the great paved highway from ancient Rome trough Capua to Brundisium, now Brindisi, constructed partly by Appius Claudius, about 312 b. c.
Appian Way n : an ancient Roman road in Italy extending south from Rome to Brindisi; begun in 312 BC