Definitions

1. proper noun

A city located in the state of Pennsylvania, in the United States, known for its industrial heritage and sports teams.

“The Steelers and Pirates are beloved by Pittsburgh residents.”

2. noun

The steel industry in Western Pennsylvania, particularly in the Pittsburgh area, during the late 19th and early 20th centuries.

“The Pittsburgh steel industry experienced significant decline in the mid-20th century.”

3. verb

To make or process steel, especially in the Pittsburgh area.

“The steel mill in Pittsburgh has been pittsburghing steel for generations.”