Princeton's WordNet(5.00 / 1 vote)Rate this definition: 1  fauna, zoology(noun) all the animal life in a particular region or period. the fauna of China; the zoology of the Pliocene epoch. 2  zoology, zoological science(noun) the branch of biology that studies animals.
The American Civil War, widely known in the United States as simply the Civil War as well as other sectional names, was a civil war fought from 1861 to 1865 to determine the survival of the Union or independence for the Confederacy.
Definition of American Civil War in English: The war between the northern US states (usually known as the Union) and the Confederate States of America, 1861-5.The war was fought over the issues of slavery and states' rights.The pro-slavery Southern states seceded from the Federal Union following the election of Abraham Lincoln on an anti-slavery platform, but were defeated by the North after failing to gain foreign recognition. Definition of American Civil War in:he war was fought over the issues of slavery and states' rights. The pro-slavery Southern states seceded from the Federal Union following the election of Abraham Lincoln on an anti-slavery platform, but were defeated by the North after failing to gain foreign recognition. Definition of American Civil War in: