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 (synset 107713570)
   is a type of: sandwich - two (or more) slices of bread with a filling between them
   same as: bomber, cuban sandwich, hero, hero sandwich, hoagie, hoagy, italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep
2. Grinding tooth with a broad crown;
   Located behind the premolars (synset 105315272)
   is a type of: tooth - hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense
   subtypes: wisdom tooth - any of the last 4 teeth on each side of the upper and lower jaw; the last of the permanent teeth to erupt (between ages 16 and 21)
   same as: molar
3. Machinery that processes materials by grinding or crushing (synset 103771096)
   is a type of: machinery - machines or machine systems collectively
   subtypes:

   • cider mill - mill that extracts juice from apples to make apple cider
   • coffee grinder, coffee mill - a mill that grinds roasted coffee beans
   • flour mill - a mill for grinding grain into flour
   • gristmill - a mill for grinding grain (especially the customer's own grain)
   • meat grinder - a mill for grinding meat
   • pepper grinder, pepper mill - a mill for grinding pepper
   • quern - a primitive stone mill for grinding corn by hand
   • spicemill - a mill for grinding spices
   • tread-wheel, treadmill, treadwheel - a mill that is powered by men or animals walking on a circular belt or climbing steps
   • water mill - a mill powered by a water wheel
   • windmill - a mill that is powered by the wind
   same as: mill, milling machinery
4. A machine tool that polishes metal (synset 103464972)
   is a type of: machine tool - a powered machine for cutting or shaping or finishing metals or other materials
   has: emery wheel, grinding wheel - a wheel composed of abrasive material; used for grinding

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