A river, about 3,033 km (1,885 mi) long, rising in southwest Colorado and flowing generally south through central New Mexico to southwest Texas, where it turns southeast and forms the U.S.-Mexican border for the rest of its course. It empties into the Gulf of Mexico near Brownsville, Texas, and Matamoros, Mexico.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.
