a war that was fought in the US between 1861 and 1865 when 11 southern states rebelled against the federal government. The southern states were beaten, and as a result of the war, slaves became free.
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.