Definition of Khyber Pass in English:
Khyber Pass
proper nounˈkʌɪbəˌkaɪbər ˈpæs
A mountain pass in the Hindu Kush, on the border between Pakistan and Afghanistan at a height of 1,067 m (3,520 ft). In the past the pass was of great commercial and strategic importance and formed the route by which successive invaders entered India; it was garrisoned by the British intermittently between 1839 and 1947.
Definition of Khyber Pass in US English:
Khyber Pass
proper nounˌkībər ˈpasˌkaɪbər ˈpæs
A mountain pass in the Hindu Kush, on the border between Pakistan and Afghanistan, at a height of 3,520 feet (1,067 m). It was for long of great commercial and strategic importance, the route by which successive invaders entered India, and it was garrisoned by the British intermittently between 1839 and 1947.