trompe l'oeil painting

Robert B.Parkerの "High Profile" を読んでいます。
次の引用文のDixは精神科医で、Jesseはアル中の様です。
"Gee," Dix said.
Dix was quiet. The only window in the small room opened onto a budding tree against a blue sky. They looked almost like trompe l'oeil painting. When he was in this room wih Dix, everything seemed remote to Jesse.
" trompe l'oeil" は外国語の様ですが、知識人は知っている表現の様なので、英英辞書に出ているか調べます。
・Oxford English Dictionary: 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'oeil’

・Collins Dictionary: Trompe l'oeil is a technique used in art in which objects are painted their normal size in a very realistic way, to make people think that the objects are solid and real.: ...a trompe l'oeil painting.

・Cambridge English Dictionary: a painting that is cleverly designed to trick people into thinking that the objects represented in it are really there: He is said to have painted a trompe l'oeil of grapes which was so realistic that birds tried to peck at them.

発音も気になりますが、オンライン英英辞書は発音も聴けるので便利です。例：　Oxford English Dictionary の "trompe l'oeil" のリンクを付けて置きました。