I.masc. collat. form, corresp. to the Gr. acc., undantem salum, Enn. ap. Non. 223, 24, or Trag. v. 226 Vahl.), = σάλος, the open sea, the high sea, the main, the deep; opp. to the sea near the coast or in a port (occurring only in sing., and mostly in the acc. and abl.).
I. Lit. (rare but class.), Cic. Caecin. 30, 88: “in salum nave evectus,” Liv. 29, 14: “paucas (naves) ante portum in salo habiturum,” id. 37, 10: “pars (classis) in salo ad ostium portūs in ancoris stetit,” id. 37, 13 (cf. the Gr. ἐν σάλὡ στῆναι, to lie at anchor in the open sea); so, “in salo stare,” id. 37, 16; 44, 12: “procul ab insulā in salo navem tenere ancoris,” Nep. Them. 8.—
B. Transf.
1. In gen., the sea (poet.): “rapidum salum tulistis truculentaque pelagi,” Cat. 63, 16; Prop. 1, 6, 2; 1, 15, 12; 3, 7 (4, 6), 40; Verg. A. 1, 537; 2, 209; Hor. Epod. 17, 55; Ov. Am. 2, 11, 24 al.: “rubrum,” Prop. 3, 13 (4, 12), 6.—*
3. The stream, current of a river: “(amnis) saevit majore salo,” Stat. Th. 10, 867.—
4. The color of the sea, Mart. Cap. 1, §§ 16 and 17.—