Jefferson
1 of 2biographical name
Jef·fer·son
ˈje-fər-sən
Thomas 1743–1826 vice president of the U.S. (1797–1801); 3rd president of the U.S. (1801–09)
Jefferson
2 of 2geographical name
Jef·fer·son
ˈje-fər-sən
river over 200 miles (321 kilometers) long in southwestern Montana see three forks
Cite this Entry
“Jefferson.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Jefferson. Accessed 8 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
