πορθμεῖον

A. place for crossing, passage, ferry, πορθμήϊα Κιμμέρια (where it is pr.n.) Hdt. 4.12,45.

II. passage-boat, ferry-boat, Id. 7.25, X. HG 5.1.23, Antiph. 86.4, Luc. DMort. 10.1; πορθμείων ὅρμου ὅρος IG 12.890.

III. ferryman's fee, Call. Fr. 110, Luc. DMort. 22.1 (pl.); τὸ εἰς Ῥήνειαν π. Inscr.Delos 442 A 153 (ii B.C.).

IV. landing-place, Wilcken Chr. 392.10 (ii A.D.), etc. [This word and its cognates are sts. written προθ-in Pap., e.g.POxy. 1421.6 (iii A.D.).]