The longest river in New England, flows south for 407 miles (655 km), from northern New Hampshire on the Quebec border, between New Hampshire and Vermont, through western Massachusetts and central Connecticut to Long Island Sound.
Definition of Connecticut River in US English:
Connecticut River
proper noun
The longest river in New England, flows south for 407 miles (655 km), from northern New Hampshire on the Quebec border, between New Hampshire and Vermont, through western Massachusetts and central Connecticut to Long Island Sound.