/
ˈɛb(ə)ni/
n.
   - heavy blackish or very dark brown wood from a tree of tropical and warm regions.
 - the tree which produces ebony. 
[Diospyros ebenum (India and Sri Lanka) and other species.]
 - a very dark brown or black colour.
 
Etymology
ME: from earlier ebon (via OFr. and L. from Gk ebenos ‘ebony tree’), perh. on the pattern of ivory.