Diamond State - a Mid-Atlantic state; one of the original 13 coloniesMid-Atlantic states - a region of the eastern United States comprising New York and New Jersey and Pennsylvania and Delaware and Maryland Delaware, Delaware River - a river that rises in the Catskills in southeastern New York and flows southward along the border of Pennsylvania with New York and New Jersey to northern Delaware where it empties into Delaware Bay Delaware Bay - an inlet of the North Atlantic; fed by the Delaware River |