'Grisaille' definitions:

Definition of 'grisaille'

From: WordNet
noun
Chiaroscuro painting or stained glass etc., in shades of grey imitating the effect of relief

Definition of 'Grisaille'

From: GCIDE
  • Grisaille \Gri"saille`\, n. [F., from gris gray.]
  • 1. (Fine Arts) Decorative painting in gray monochrome; -- used in English especially for painted glass. [1913 Webster]
  • 2. A kind of French fancy dress goods. --Knight. [1913 Webster]