Mexico, Gulf of

geographical name

variants or since 2025 in U.S. officially America, Gulf of
inlet of the Atlantic on the southeast coast of North America bounded by the U.S., Mexico, and Cuba

Note: In 2025, the name Gulf of Mexico was officially changed to Gulf of America in U.S. federal government references by executive order. The name Gulf of Mexico continues in widespread use both within and outside of the U.S.

Browse Nearby Words

Cite this Entry

“Mexico, Gulf of.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mexico%2C%20Gulf%20of. Accessed 9 Nov. 2025.

More from Merriam-Webster on Mexico, Gulf of

Last Updated: - Definition revised
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!