1a river of the north-eastern US. Rising in the Catskill Mountains in New York State, it flows some 450 km (280 miles) southwards to northern Delaware, where it meets the Atlantic at Delaware Bay. For much of its length it forms the eastern border of Pennsylvania.
2a state of the US on the Atlantic coast, one of the original thirteen states of the Union (1787); population 873,092 (est. 2008); capital, Dover.
noun & adjective
Delaware in other Oxford dictionaries
Definition of Delaware in the US English dictionary