grinder

scissors grinder

(one who sharpens scissors)

I am going to the deli to get a grinder for lunch.

Rich Lee – one of the organisers of Grindfest, and the Transhumanist Party’s ‘bio-hacking adviser’ – estimates that there are around 3,000 grinders in the US, and many more bio-hackers.

We were told then and there that we wouldn't be allowed on the grinder again until we could do a lot better. The grinder is what that large area was called, and it was a fitting name. They literally ground us down on it.