Breadcrumb Home > Dictionary > Index P Cite Philadelphia: Meaning and Definition of Find definitions for: Phil•a•del•phi•a Pronunciation: (fil"u-del'fē-u), [key] — n. a city in SE Pennsylvania, on the Delaware River: Declaration of Independence signed here July 4, 1776. 1,688,210. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: philadelphia (Thesaurus) philabeg Philadelphia lawyer TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: obviate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language