Savanna \Sa*van"na\, n. [Of American Indian origin; cf. Sp. sabana, F. savane.] A tract of level land covered with the vegetable growth usually found in a damp soil and warm climate, -- as grass or reeds, -- but destitute of trees. [Spelt also {savannah}.] [1913 Webster] Savannahs are clear pieces of land without woods. --Dampier. [1913 Webster] {Savanna flower} (Bot.), a West Indian name for several climbing apocyneous plants of the genus {Echites}. {Savanna sparrow} (Zool.), an American sparrow ({Ammodramus sandwichensis} or {Passerculus savanna}) of which several varieties are found on grassy plains from Alaska to the Eastern United States. {Savanna wattle} (Bot.), a name of two West Indian trees of the genus {Citharexylum}. [1913 Webster]