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No sir, I just thought having both definitions would be beneficial to the topic.

I never knew grinder had a different meaning from one sport / game to the next. I always thought it meant the same in each sport. Thanks for sharing the info :)

It's also a kind of sandwich.

Lol ... :)

It also is someone who does crank and grinds their teeth.
It is also someone staying on top of their shit.
It also is a device, usually made of plastic, steel, or wood, that is used to grind up marijuana.

Its also a power tool .....

and a gay dating app