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]