Definition of Calcasieu
river 200 miles (322 kilometers) long in southwestern Louisiana flowing through Calcasieu Lake (about 15 miles, or 24 kilometers, long) and Calcasieu Pass (channel 5 miles, or 8 kilometers, long) into the Gulf of Mexico
Seen and Heard
What made you want to look up Calcasieu? Please tell us where you read or heard it (including the quote, if possible).