lord (subs.) Copy link Outline I. A masterII. Specially, as appellation of DeityIII. As title of nobility • lord (subs.): I. A master: dŏmĭnus: v. master. II. Specially, as appellation of Deity: Dŏmĭnus: Vulg. pass. III. As title of nobility: dŏmĭnus: M. L.