ebony ebony /ˈɛbəni/

adjective

1. Of a very dark black  ( ebon , ebony )
   of a very dark black
   

noun

1. () A very dark black  ( coal black , jet black , pitch black , ebony , sable , soot black )
   a very dark black
   
   
2. Tropical tree of southern Asia having hard dark-colored heartwood used in cabinetwork  ( Diospyros ebenum , ebony , ebony tree )
   tropical tree of southern Asia having hard dark-colored heartwood used in cabinetwork
   
   
3. Hard dark-colored heartwood of the ebony tree; used in cabinetwork and for piano keys  ( ebony )
   hard dark-colored heartwood of the ebony tree; used in cabinetwork and for piano keys
    The piano had keys made of ebony and ivory.
   The piano had keys made of ebony and ivory.