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; radiator grille.
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 dedans( def 1 ), winning gallery.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a scrap or morsel of food left at a meal.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.