Lewis & Short

sălax, ācis, adj. [salio; cf. sagax, from sagio].

  1. I. Fond of leaping, esp. of male animals, lustful, lecherous, salacious: galli, Varr. R. R. 3, 9, 5: aries, Ov. F. 4, 771: salaciora animalia, Lact. Opif. Dei, 14: salacissimi mares, Col. 7, 9, 1; 8, 2, 9: cauda, Hor. S. 1, 2, 45.
    Vulgarly applied to Priapus: deus, Auct. Priap. 14, 1; 34, 1; and sarcastically: salacissimus Juppiter, Sen. ap. Lact. 1, 16, 10.
  2. II. Poet. transf., that provokes lust, provocative: erucae, Ov. R. Am. 799: bulbi, Mart. 3, 75, 3: herba, i.e. eruca, Ov. A. A. 2, 422; Mart. 10, 48, 10.