[jef-er-suh
n] 
| 1. | Joseph, 1829–1905, U.S. actor. |
| 2. | Thomas, 1743–1826, U.S. statesman, diplomat, architect, and author: third president of the U.S. 1801–09. |
| 3. | a river in SW Montana, flowing generally NE to join the Madison and Gallatin rivers to form the Missouri River. 225 mi. (362 km) long. |
| 4. | Mount, a mountain in NW Oregon, in the Cascade Range. 10,497 ft. (3199 m). |
| 5. | Mount, a mountain in N New Hampshire, in the Presidential Range of the White Mts. 5715 ft. (1742 m). |
| 6. | a male given name. |
| Jef·fer·son (jěf'ər-sən) A peak, 3,201.6 m (10,497 ft) high, in the Cascade Range of northwest Oregon southeast of Portland. |
| Jefferson, Thomas 1743-1826. The third President of the United States (1801-1809). A member of the second Continental Congress, he drafted the Declaration of Independence (1776). His presidency was marked by the purchase of the Louisiana Territory from France (1803) and the Tripolitan War (1801-1805). A political philosopher, educator, and architect, Jefferson designed his own estate, Monticello, and buildings for the University of Virginia. |