GRINDER

Definition of GRINDER

  1. (noun)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
  2. (noun)grinding tooth with a broad crown; located behind the premolars
  3. (noun)machinery that processes materials by grinding or crushing
  4. (noun)a machine tool that polishes metal