'Pittsburgh' definitions:

Definition of 'Pittsburgh'

(from WordNet)
noun
A city in southwestern Pennsylvania where the confluence of the Allegheny River and Monongahela River forms the Ohio River; long an important urban industrial area; site of Carnegie Mellon University and the University of Pittsburgh

Pittsburgh, PA -- U.S. city in Pennsylvania

From: Gazetteer 2000
Name :
Pittsburgh, PA -- U.S. city in Pennsylvania
Population (2000) :
334563
Housing Units (2000) :
163366
Land area (2000) :
55.584434 sq. miles (143.963017 sq. km)
Water area (2000) :
2.767416 sq. miles (7.167573 sq. km)
Total area (2000) :
58.351850 sq. miles (151.130590 sq. km)
FIPS code :
61000
Located within :
Pennsylvania (PA), FIPS 42
Location :
40.441419 N, 79.977292 W
Note :
some ZIP codes may be omitted esp. for suburbs.