CotswoldPronunciation: /ˈkɒtswəʊld/Definition of Cotswold noun 1a sheep of a breed with fine wool, often used to produce cross-bred lambs. 2 [mass noun] Double Gloucester cheese containing chives and onions. adjective relating to the Cotswolds. Cotswold in other Oxford dictionaries Definition of Cotswold in the US English dictionary