A.one who guides strangers, cicerone, “π. καὶ ἀρχιατρός” IG4.723 (Hermione), cf.3.1335, Plu.2.675e, Luc.VH2.31; at Delphi, Plu.2.395a (pl.), etc.; ὁ π. τῆς εἰκόνος the man who explains it, Luc.Cal.5.
II. author of geographical descriptions, as Dionysius ὁ περιηγητής; also of Polemo, Ath.5.210a, cf. Plu. Them. 32.