| English noun: grinder | 
| 1. | grinder (food) 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, Cuban sandwich, hero, hero sandwich, hoagie, hoagy, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep | 
| 
 | 
 | Broader (hypernym) | sandwich | 
| 
 | 
| 2. | grinder (body) grinding tooth with a broad crown; located behind the premolars | 
| 
 | 
 | Synonyms | molar | 
| 
 | 
 | Broader (hypernym) | tooth | 
| 
 | 
 | Narrower (hyponym) | wisdom tooth | 
| 
 | 
| 3. | grinder (artifact) machinery that processes materials by grinding or crushing | 
| 
 | 
 | Synonyms | mill, milling machinery | 
| 
 | 
 | Broader (hypernym) | machinery | 
| 
 | 
 | Narrower (hyponym) | cider mill, coffee grinder, coffee mill, flour mill, gristmill, meat grinder, pepper grinder, pepper mill, quern, spicemill, tread-wheel, treadmill, treadwheel, water mill, windmill | 
| 
 | 
| 4. | grinder (artifact) a machine tool that polishes metal | 
| 
 | 
 | Broader (hypernym) | machine tool | 
| 
 | 
 | Part holonym | emery wheel, grinding wheel | 
| 
 |