The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A city of north-central New York at the mouth of the Oswego River, about 37 km (23 mi) long, on Lake Ontario northwest of Syracuse. A British trading post was founded in Oswego c. 1722. It is now a trade, shipping, and industrial center. Population: 17,600.