Definitions of ebony:

• noun:   tropical tree of southern Asia having hard dark-colored heartwood used in cabinetwork
• noun:   hard dark-colored heartwood of the ebony tree; used in cabinetwork and for piano keys
• noun:   a very dark black
• adjective:   very dark black
• name:  A female given name (common: 1 in 3703 females; popularity rank in the U.S.: #492)