State in the northeastern United States bordered by Lake Erie and New York to the north; New Jersey to the east; Delaware, Maryland, and West Virginia to the south; and Ohio to the west. Its capital is Harrisburg, and its largest city is Philadelphia.
Note: One of the thirteen colonies.
Note: Named after the father of William Penn, a devout Quaker, who was granted proprietary rights by the king of England to almost the whole of what is now Pennsylvania in the late seventeenth century.