From The Collaborative International Dictionary of English v.0.48 :
Jacaranda \Jac`a*ran"da\, n. [Braz.; cf. Sp. & Pg. jacaranda.] (Bot.) (a) The native Brazilian name for certain leguminous trees, which produce the beautiful woods called king wood, tiger wood, and violet wood. (b) A genus of bignoniaceous Brazilian trees with showy trumpet-shaped flowers. [1913 Webster]From WordNet (r) 3.0 (2006) :
jacaranda n 1: an important Brazilian timber tree yielding a heavy hard dark-colored wood streaked with black [syn: Brazilian rosewood, caviuna wood, jacaranda, Dalbergia nigra]