1.Definition: 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

Related Noun(s):bomber, hero, hoagie, sub, torpedo, wedge, zep

Category: Food

2.Definition: a machine tool that polishes metal

Category: Objects

3.Definition: grinding tooth with a broad crown; located behind the premolars

Related Noun(s):molar

Category: General

4.Definition: machinery that processes materials by grinding or crushing

Related Noun(s):mill

Category: Objects