• (n.) The wood of several West Indian trees, mostly of the genus Citharexylum.
Fid'dle·wood` noun [ Corrupted from F. bois- fidèle , lit., faithful wood; -- so called from its durability.] The wood of several West Indian trees, mostly of the genus Citharexylum . 
the heavy, hard, durable wood of various West Indian and other trees. · any of these trees, esp. species of the genera Citharexylum and Vitex.