a. [f. TRANS- 3 + BORDER sb.] Lying or living beyond a (or the) border; occupying territory outside the border.
1897. L. J. Trotter, Life J. Nicholson, xv. (1908), 213. Young-husband was speaking about him to a trans-border chief.
1901. 19th Cent., April, 711. Raised in fixed proportion from the transborder and cisborder clans.
1908. Westm. Gaz., 6 May, 2/2. An Afghan may be what, on the North-West Frontier, is called a Trans-border Pathani. e., one of the independent tribes dwelling between British India and the Ameer of Kabuls territory.