A.veho) mounted upon, esp. on horses, chariots, and ships, c. gen. vel dat., ναῶν, ἅρμασιν, A.Pers.54,45 (anap.), cf. S.Ichn.181 (lyr.); “τῷ ἐ. τοῦ οὐρανοῦ καὶ ἡνιόχῳ” Ph.1.486, cf. Lib.Or.59.110 : metaph., λόγος μανίας ἔ. words borne on madness, i.e. frantic words, E.Hipp.214(anap.).
2. abs., having a good seat on horseback, X.Cyr.1.4.4 ; ἐπόχους ἡ θήρα ἀποδεικνύει ib. 8.1.35 ; ἔ. εἶναι to have a good seat, Id.Eq.8.10, cf. Ar.Lys.677 ; also “ἱππασίαις ἔ.” practised in.., Plu.Mar.34. Adv. -χως, ἐγκαθῆσθαι to sit fast, Poll.1.209.
II. Pass., ποταμὸς ναυσὶ ἔ. navigable by ships, Plu.Mar.15.