ˈballot ˌpaper BrE AmE noun [countable]
a piece of paper on which you record your vote
spoiled ballot papers (=ones that have been marked incorrectly and so cannot be counted)
ˈballot ˌpaper BrE AmE noun [countable]
a piece of paper on which you record your vote
spoiled ballot papers (=ones that have been marked incorrectly and so cannot be counted)
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012