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.
The American Civil War began on April 12, 1861 and ended on April  9, 1865, when Robert E. Lee surrendered to Ulysses S. Grant at the  Appomattox Courthouse. Combat, disease â¦ , accidents, and starvation  took the lives of 620,000 Americans during the Civil War.