περίακτος

A. turning on a centre or pivot, δίφροι π. Artemo Hist.12; π. τροχοί water-wheels, Ph. Bel. 91.44; π. ἄντλημα water-wheel, Plu. 2.974e; μηχανήματα π. machines for draining land, Ph. Bel. 97.23; μηχαναὶ ἀπὸ σκηνῆς π. machines for changing the scene on the stage, Plu. 2.348e; also περίακτοι,αἱ, as Subst., Poll. 4.126, Vitr. 5.6.8.

2. π. ὁδός a winding road, Anon.Hist.(FGrH 151) p.819J.

II. metaph., τὸ π. 'the old saw', Plu. Comp.Lys.Sull. 3; τὸ π. ἐκ τῆς Ἀκαδημείας Id. 2.922f.