Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun grinder

4 senses of grinder

Sense 1
bomber, grinder, hero, hero sandwich, hoagie, hoagy, Cuban sandwich, Italian sandwich, poor boy, sub, submarine, submarine sandwich, torpedo, wedge, zep -- (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)
       => sandwich -- (two (or more) slices of bread with a filling between them)

Sense 2
molar, grinder -- (grinding tooth with a broad crown; located behind the premolars)
       => tooth -- (hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense)

Sense 3
mill, grinder, milling machinery -- (machinery that processes materials by grinding or crushing)
       => machinery -- (machines or machine systems collectively)

Sense 4
grinder -- (a machine tool that polishes metal)
       => machine tool -- (a powered machine for cutting or shaping or finishing metals or other materials)