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.
On a vehicle, a slotted cover as above, to protect and hide the radiator, while admitting air to cool it.
A cooking device comprising a source of radiative heat and a means of holding food under it; a broiler in US English
A cooking device comprising a source of radiative and convective heat and a means of holding food above it; a barbecue.
I put some peppers and mushrooms on the grill to go with dinner.
Food (designed to be) cooked on a grill.
a packet of frozen cauliflower cheese grills
A grillroom; a restaurant serving grilled food.
These coupons will get you a discount at Johnny's Bar and Grill.
A type of jewelry worn on the front teeth.
(by extension) The front teeth regarded collectively.