trompe l'œil
noun
(pl. trompe l'œils.读音同)［mass noun］
1- visual illusion in art, especially as used to trick the eye into perceiving a painted detail as a three-dimensional object画中错觉（尤指使眼睛将一绘画细部看成三维物体的错觉）。
1.1
- count noun a painting or design intended to create such an illusion错觉画（或图案）。
词源
French, literally 'deceives the eye'.