1. [US] A large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
   - bomber [US], hero [N. Amer], hero sandwich [N. Amer], hoagie [N. Amer], hoagy [N. Amer], Cuban sandwich [N. Amer], Italian sandwich [N. Amer], poor boy [N. Amer], sub [N. Amer], submarine [N. Amer], submarine sandwich [N. Amer], torpedo [US], wedge [US], zep [N. Amer] 
2. Grinding tooth with a broad crown; located behind the premolars
   - molar 
3. Machinery that processes materials by grinding or crushing
   - mill, milling machinery 
4. A machine tool that polishes metal

Derived forms: grinders

See also: grind

Type of: machine tool, machinery, sandwich, tooth

Encyclopedia: Grinder Grinder, Norway

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