Definition of grille noun from the Oxford Advanced Learner's Dictionary



(also grill) noun
BrE BrE//ɡrɪl//
; NAmE NAmE//ɡrɪl//
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a screen made of metal bars or wire that is placed in front of a window, door or piece of machinery in order to protect it a radiator grille (= at the front of a car) a security grille Ensure that the grille is in place while the machinery is in operation. Word Originmid 17th cent.: from French, from medieval Latin, craticula, diminutive of cratis ‘hurdle’; related to crate, grate ‘metal frame’, and griddle.
See the Oxford Advanced American Dictionary entry: grille