1743 E. Young 41 Death's Terror is the Mountain Faith removes; That Mountain Barrier between Man and Peace.
1876 G. W. Cox ii. i. 102 The chain of Tauros..extends its huge mountain-barrier to the north of the Kilikian country.
1990 Feb.–Mar. 44/2 The region's moderate climate and the shielding effect of mountain barriers against inclement weather create an ideal environment for the sturdy trees used to build log homes.