ABERNETHY, a town in Scotland, in Perthshire, situated at a short distance to the southward of the right bank of the river Tay, a little above the mouth of the Earn. It is of very ancient date, and is said to have been the seat of the Pictish kings; and there are some uncertain traditions of its existence prior to this period. It is distinguished by a curious piece of antiquity, a circular tower, 74 feet high and 16 feet in diameter, consisting of 64 courses of hewn stone. It continued long to be the see of an archbishop, which was afterwards transferred to St Andrews. The inhabitants are engaged in the manufacture of linen. The population in 1851. 2026. Abernethy is seven miles from Perth.