Lewis & Short

2. nuptus, ūs, m. [nubo],

  1. I. a covering, veiling, Varr. L. L. 5, § 72 Müll.
  2. II. Transf., marriage, wedlock (post-class.): nuptumque passa, Stat. S. 5, 1, 45: solenni nuptu filias locabant, Aur. Vict. Vir. Ill. 59.