Source : Webster's Revised Unabridged Dictionary (1913)

Grenadillo \Gren`a*dil"lo\, n. [Sp. granadillo.]
   A handsome tropical American wood, much used for making
   flutes and other wind instruments; -- called also {Grenada
   cocos}, or {cocus}, and {red ebony}.

Source : WordNet®

Cocus
     n : (Greek mythology) one of the Titans