1. A large, flat and open area of grassland perhaps with a few scattered trees or bushes: "While reading a book on African geography, Albert found out that the savannas are typically without vegetation and are located in the southeastern United States and in tropical South America."
2. An extensive, open and treeless plain; especially, in Florida: "Jane and Susan forgot their road map but still wanted to see some areas in Florida and suddenly found themselves in a savanna, a vast and empty area completely destitute of trees!"
3. Etymology: from an old-fashioned Spanish word sabana; also, from Taino zabana.