Definition of trompe l'oeil in US English:

trompe l'oeil

nounPlural trompe l'oeils

  • 1Visual 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’
    1. 1.1 A painting or design intended to create the illusion of a three-dimensional object.
      ‘she climbed up to paint a trompe l'œil over the brackets as camouflage’

Origin

French, literally ‘deceives the eye’.

Pronunciation

trompe l'oeil

/ˌtrômp ˈloi//ˌtrɔmp ˈlɔɪ/