From Longman Dictionary of Contemporary Englishnail polishˈnail ˌpolish (also nail varnish British English) noun [uncountable] 
DCBcoloured or transparent liquid which you paint on your nails to make them look attractive pink nail polish
DCBcoloured or transparent liquid which you paint on your nails to make them look attractive pink nail polishExamples from the Corpus
nail polish• Did I happen to have any nail polish with me?• Even fashion products such as nail polish or lipstick, which do have regular changes of colour, can benefit greatly.• As well as keeping some nail polish remover at home, make sure you carry some handy remover of emergencies.• That nail polish was a positive match, and she's got some explaining to do.• A muscle near her right cheekbone fluttered at erratic intervals, and the nail polish was chipped.• Men are wearing nail polish, did you know?• To remove melted plastic from an appliance, unplug appliance and dab off spot with nail polish remover. 