Lewis & Short

dŏmĭnĭcus (contr. DOMNICUS, Inscr. Orell. 3201), a, um, adj. [dominus], of or belonging to a lord or master (rare; not in Cic.).

  1. I. Prop.: gannire ad aurem numquam didici dominicam, Afran. ap. Isid. Differ. 86 (v. 282 Rib.): rationes pecuariae, Varr. R. R. 2, 10, 10: habitationes, Col. 9 praef. § 1: palatum, Sen. Ep. 47: vinum, Petr. 31, 2: jussus, id. 28, 7: GENIUS, Inscr. Orell. 1721: APOTHECA, ib. 2591 al.
  2. II. Transf.
    1. A. Since the formation of the empire, imperial: res, Cod. Just. 7, 38: coloni, ib. 3, 26, 7: OPERA, Inscr. Orell. 1243 al.
      Subst.: Dŏmĭnĭcum, i, n., a collection of poems by the Emperor Nero, Suet. Vit. 11 fin.
    2. B. In eccl. Lat.,
          1. (α) Dominica dies, the Lord’s Day, Sunday, Tert. Coron. 3; id. Jejun. 15; Vulg. Apoc. 1, 10.
          2. (β) Dominica cena, the Lord’s Supper, Vulg. 1 Cor. 11, 20.