(1751-1836) the President of the US from 1809 to 1817. He is sometimes called the "Father of the Constitution" because of his work at the Constitutional Convention in 1787. He also helped to write the Bill of Rights. He started the War of 1812 against Great Britain, and it was called "Mr Madison's War".
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
Click on any of the pictures above to find out what it is called.