Definition of trompe l'oeil
noun (plural trompe l'oeils pronunc. same)[mass noun]
- visual illusion in art, especially as used to trick the eye into perceiving a painted detail as a three-dimensional object: look at the pillars and arches around the immense dome—they are trompe l'œil his love of classical trompe l'œil is sometimes a little precious [as modifier]:trompe l'œil architectural details trompe l'œil marble
French, literally 'deceives the eye'