The Housatonic River, located in Massachusetts and Connecticut, has several synonyms. It was once known as the "Connecticut River," which led to confusion with the larger Connecticut River nearby. Native American tribes also called it "Ussekut" and "Assawampset," meaning "place of the river flat" and "place of the boggy meadow," respectively. It is sometimes referred to as the "Sheffield River" due to its proximity to Sheffield, Massachusetts. The river also has several tributaries with unique names, such as the "Tenmile River" and "Furnace Brook." Overall, the Housatonic River has a rich history and many names that reflect the diverse cultures that have inhabited the area.