opus : Idioms & Phrases


magnum opus

  • noun a great work of art or literature
WordNet

marmoratum opus

Mar`mo*ra`tum o"pus
Etymology
L. See Marmorate, and Opus.
Definitions
  1. (Arch.) A kind of hard finish for plasterwork, made of plaster of Paris and marble dust, and capable of taking a high polish.
Webster 1913

Opus incertum

  • . L. (Arch.) See under Incertum.
Webster 1913