From Longman Dictionary of Contemporary Englishcorn on the cobˌcorn on the ˈcob noun [uncountable] DFthe top part of a corn(2) plant on which yellow seeds grow, cooked and eaten as a vegetable
Examples from the Corpus
corn on the cob• Screaming vendors hawk snow cones and boiled corn on the cob.• Some people think fresh corn on the cob needs no embellishment.• No green beans, no corn on the cob, no succulent tomatoes like the year before. 