
Grinder
    
    WordNet
        noun
(1)   A machine tool that polishes metal
(2)   Machinery that processes materials by grinding or crushing
(3)   Grinding tooth with a broad crown; located behind the premolars
(4)   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
        WiktionaryText
        Noun
- A power tool with a spinning abrasive disc, used for grinding, smoothing, and shaping materials, usually metal.
 -  A sandwich made on a long, cylindrical roll.
- I am going to the deli to get a grinder for lunch.
 
 
Usage notes
The usage of grinder and related terms for sandwiches varies widely.
In the Philadelphia area, for example, a "grinder" is distinguished from a "hoagie" in that the grinder is toasted or baked, and usually lacks lettuce.

