Jefferson (surname)
WordNet
noun
(1) 3rd President of the United States; chief drafter of the Declaration of Independence; made the Louisiana Purchase in 1803 and sent out the Lewis and Clark Expedition to explore it (1743-1826)
WiktionaryText
Proper noun
- An English patronymic surname derived from Jeffrey
- Thomas Jefferson (1743-1826); the third President of the United States (1801–1809), principal author of the US Declaration of Independence (1776), and one of the most influential founders of the United States. Major events during his presidency include the Louisiana Purchase (1803), the Embargo Act of 1807, and the Lewis and Clark Expedition (1804–1806).