Definition of Philadelphia in US English:

Philadelphia

proper noun

  • A city in Pennsylvania, on the Delaware River; population 1,447,395 (est. 2008). Established as a Quaker colony by William Penn and others in 1681, it was the site in 1776 of the signing of the Declaration of Independence and in 1787 of the adoption of the Constitution of the United States.

Origin

From Greek philadelphia ‘brotherly love’.

Pronunciation

Philadelphia

/ˌfiləˈdelfēə//ˌfɪləˈdɛlfiə/