1. A grating; a grid of wire or a sheet of material with a pattern of holes or slots, usually used to protect something while allowing the passage of air and liquids. Typical uses: to allow air through a fan while preventing fingers or objects from passing; to allow people to talk to somebody, while preventing attack.
2. To cook (food) on a grill; to barbecue.
“Why don't we get together Saturday and grill some burgers?”