(1769-1821) the emperor of France from 1804 to 1815. He was a great and very skilful military leader and his armies took control of many European countries, which then became part of his empire. In 1815 he was defeated at the Battle ofWaterloo and was forced to spend the rest of his life on the island of St Helena. Napoleon also changed the way that France was organized, and established a new system of laws, called the 'Napoleonic Code', on which modern French law is based.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.