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)
   - Jefferson, President Jefferson

Type of: Chief Executive, President, President of the United States, United States President

Encyclopedia: Thomas Jefferson

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• cosmopolitan
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• cosmotron
• cosponsor
• coss
• Cossack
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• cost
• cost accountant
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• cost of capital
• cost of living
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• cost-benefit analysis
• cost-effective
• cost-efficient
• cost-of-living allowance