a floor 'polisher' [=a piece of equipment that is used to make a floor smooth and shiny]
The stone 'takes a high polish'. [=the stone can become very shiny when it is polished]
They 'polished up' [=practiced singing/playing] some old songs for the performance.
(..) Now it's just going "Aaa..." - What'd you spill on it? - Nothing. Diet Coke. And yogurt. And a little nail polish. I'll take a look at it. Gentlemen, switching to local nerd news... Fishman, Chen, Chaudury and McNair aren't fielding a team (..)2008 TvShow: The Big Bang Theory Title: The Bat Jar Conjecture Season: 1 Episode 13