LANGLOAN, a village, in the parish of Old-MonkLAND, Middle ward of the county of Lanark, 1^ miles (W. by S.) from Airdrie; containing 1111 inhabitants. This is one of the principal villages of the many in this great mining and manufacturing parish: it is situated on the road from Airdrie to Glasgow, and has of late years increased exceedingly in extent and population. The Langloan iron-works have five blast furnaces in operation for smelting the ore. In the vicinity is a considerable red-sandstone quarry.