From Longman Dictionary of Contemporary Englishdonutdo‧nut /ˈdəʊnʌt $ ˈdoʊ-/ noun [countable] especially American English 
x-refanother spelling of doughnut
x-refanother spelling of doughnutExamples from the Corpus
donut• She is eating a donut, and the powdered sugar makes more spots on her dress.• She takes out another donut, breaks it in half and offers it to me.• They shared a box of donuts and talked some more.• Anne, smiling innocently, handed the guard a couple of donuts on the way by.• On the concrete floor inside are tire tracks, and skid marks where kids have done wheelies or donuts.• The donuts turned out to be lousy.• Glen we called him country no he was donut. 