Definitions of grinder:

  • noun:   a machine tool that polishes metal
  • noun:   machine that processes materials by grinding or crushing
  • noun:   grinding tooth with a broad crown; located behind the premolars
  • 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
  • name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #14611)