Either of two fiddlewoods, Citharexylum quadrangulare and C. cinereum (family Verbenaceae), which are trees of the Caribbean region with small white flowers and large leathery leaves.
Origin
Early 19th century.
Definition of savannah wattle in US English:
savannah wattle
noun
Either of two fiddlewoods, Citharexylum quadrangulare and C. cinereum (family Verbenaceae), which are trees of the Caribbean region with small white flowers and large leathery leaves.