grinder (
http://definr.com/grinder)
n 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 [syn:
bomber,
hero,
hero sandwich,
hoagie,
hoagy, {Cuban
sandwich},
Italian sandwich,
poor boy,
sub,
submarine,
submarine sandwich,
torpedo,
wedge,
zep]
2: grinding tooth with a broad crown; located behind the
premolars [syn:
molar]
3: machine that processes materials by grinding or crushing
[syn:
mill]
4: a machine tool that polishes metal