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Definition of 'grinder'


  1. 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
       Synonyms: bomber hero hero sandwich hoagie hoagy Cuban sandwich Italian sandwich poor boy sub submarine submarine sandwich torpedo wedge zep
  2. grinding tooth with a broad crown; located behind the premolars
       Synonyms: molar
  3. machinery that processes materials by grinding or crushing
       Synonyms: mill milling machinery
  4. a machine tool that polishes metal

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