Lewis & Short

trans-frĕto, āvi, ātum, 1, v. n. and a. [fretum], to cross a strait, pass over the sea (post-Aug.).

  1. I. Lit.
          1. (α) Neutr.: quam primum transfretaturi (Brundisium), Suet. Caes. 34; cf. Gell. 10, 26, 1; Amm. 22, 6, 4; Vulg. Luc. 8, 22.
          2. (β) Act.: transfretabantur in dies noctesque navibus ratibusque, were ferried over, put across, Amm. 31, 4, 5.
  2. * II. Trop.: vitae conversationem sine gubernaculo rationis transfretantes, i. e. passing through, Tert. Poen. 1.