I.a means of passing a river, a ford, ferry, Lat. vadum, Il., Hdt., etc.; Πλούτωνος π. the Stygian ferry, Aesch.
2.a narrow sea, strait, firth, Lat. fretum, Hes., Aesch.; Ἰόνιος π. the Ionian sea which is the passage-way from Greece to Italy, Pind.:— ἐν πόρῳ in the passage-way (of ships), in the "fair-way" Hdt.
3.periphr., πόροι ἁλός the paths of the sea, i. e. the sea, Od.; ἐνάλιοι π. Aesch., etc.; so, of rivers, πόρος Ἀλφεοῦ, Σκαμάνδρου, i. e. the Alpheus, etc., Pind.
4.a way over a river, a bridge, Hdt.
II.c. gen. rei, a way or means of achieving, accomplishing, οὐκ ἐδύνατο π. οὐδένα ἀνευρεῖν Hdt.; π. ὁδοῦ a means of performing the journey, Ar.; π. κακῶν a means of averting evils, Eur.:—c. inf., πόρος τις τίσασθαι id=Eur.
2.absol. a means of providing, contrivance, device, resource, Aesch., Ar.
3.at Athens, π. χρημάτων a way of getting or raising money, Xen., Dem.: in pl., "ways and means, " resources, revenue, Dem.
III.a going, journey, voyage, Aesch., Eur.