trōⁿˈplər, -lə̄ noun
( plural trompe l'oeils “)
Etymology: French
: deception of the eye especially by a painting: as
a. : the intensification of the reality of component objects in an unnaturally arranged still life through the use of minute detail and the careful rendition of tactile and tonal values
b. : the use in mural and ceiling decoration of painted detail suggestive of architectural or other three-dimensional elements but often characterized by exaggerated perspective, abrupt contrast of light and shade, or general stylization which stresses artificiality