Grille

[gril] /grɪl/

noun
1.
a grating or openwork barrier, as for a gate, usually of metal and often of decorative design.
2.
an opening, usually covered by grillwork, for admitting air to cool the engine of an automobile or the like; .
3.
any of various perforated screens, sheets, etc., used to cover something, as on a radio for protecting the amplifier or in cryptography for coding purposes.
4.
a ticket window covered by a grating.
5.
Court Tennis. a square-shaped winning opening on the hazard side of the court.
Compare (def 1), .
[French gree-yey] /French griˈyeɪ/
adjective
1.
cooked on a grill; broiled.
2.
Textiles. having an ornamental bar or grate pattern across the open areas of a lace motif.
/ɡrɪl/
noun
1.
Also called grillwork. a framework, esp of metal bars arranged to form an ornamental pattern, used as a screen or partition
2.
Also called radiator grille. a grating, often chromium-plated, that admits cooling air to the radiator of a motor vehicle
3.
a metal or wooden openwork grating used as a screen or divider
4.
a protective screen, usually plastic or metal, in front of the loudspeaker in a radio, record player, etc
5.
(real tennis) the opening in one corner of the receiver’s end of the court
6.
a group of small pyramidal marks impressed in parallel rows into a stamp to prevent reuse
n.

“ornamental grating,” 1660s, from French grille (fem.) “grating,” from Old French greille “gridiron,” from Latin craticula “gridiron” (see grill). “The distinction in French between grille and grill … appears to date from about the 16th c.” [OED].