/gruyn"deuhr/ , n.
1. a person or thing that grinds.
2. a kitchen device or appliance for grinding food.
3. a sharpener of tools.
4. a molar tooth.
5. Chiefly New Eng. and Inland North. See hero sandwich .
6. grinders , Informal. the teeth.
[ 1350-1400; ME. See GRIND, -ER 1 ]
Regional Variation. 5. See hero sandwich .