a port city in northeastern England on the River Tyne; a center for coal exports (giving rise to the expression `carry coals to Newcastle' meaning to do something unnecessary)
"The ship docked at Newcastle to load its cargo of anthracite before sailing across the Atlantic."
One of several large cities:
"Newcastle is one of several large cities in the United Kingdom known for its vibrant culture and industrial history."
A large city and metropolitan borough of Tyne and Wear, in northeastern England; properly Newcastle upon Tyne.
"Residents traveled to Newcastle for the famous football match at St James' Park."
The name Newcastle is formed by combining the words new and castle. It entered English as a doublet derived from the French place name Neuchâtel.