Other
- Grill (jewelry), cosmetic dental metal apparatus
- Grill (philately), a pattern of indentations on a postage stamp
- Grille, an opening in the bodywork of a vehicle to allow air to enter
- Grille (artillery), a self-propelled artillery piece used by Germany during World War II
- Grill (cryptology), method used chiefly early on, before the advent of the cyclometer, by the mathematician-cryptologists of the Polish Cipher Bureau in decrypting German Enigma machine
- Grille (cryptography), a technique for encrypting a plaintext by writing it onto a sheet of paper through a pierced sheet
- Grillwork, decorative grating
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