Ah! -I just thought that it was called 'ground pepper' -and the thing that grinds it called a 'pepper mill' -so my confusion stems from my bad English.
Freshly ground pepper is one of my favourite spices!
Here's my pepper mill (or is it a grinder? (now see what you did there!)):
The mechanism is French but the housing and design is Danish. (And if I'd had a better camera you could see the wooden texture)
Oh, And when I need lots of pepper I use this little handy contraption to help me grind it: