- an ancient country in W Asia, between the Oxus River and the Hindu Kush Mountains. Capital: Bactra.
- of or relating to Bactria,
- a native or inhabitant of Bactria
- an ancient country of SW Asia, between the Hindu Kush mountains and the Oxus River: forms the present Balkh region in N Afghanistan
“inhabitant of Bactria,” late 14c.; as a type of camel, c.1600, from Latin Bactria, ancient region in what is now northwestern Afghanistan, literally “the western province,” from Persian bakhtar “the west.”