Answer: EBONIES

AnswerCrossword Clue
EBONIESBlack keys.
eboniesEBONY, a hard wood like stone, also EBON, HEBEN
eboniesdeep black
ebonieshard black wood from trees of Africa and Asia
EBONIESKeys of music
EBONIESPart of a keyboard
EBONIESTrees used for making piano keys
EBONIESBlack piano keys, informally
EBONIESTrees yielding black wood
EBONIESA piano has 36 of them
EBONIESPiano's 36, familiarly
EBONIESSome keys
EBONIESSources of wood for cabinetwork
EBONIESValuable tropical trees
EBONIESHardwoods
EBONIESSome piano keys
EBONIESTropical hardwood trees.
EBONIESDecorative woods.
EBONIESDark woods.
EBONIESTrees yielding valuable wood.
EBONIESBlack woods.
EBONIESTrees whose wood doesn't float
EBONIESDurable woods
EBONIESBlack woods
EBONIESBlack piano keys, familiarly
EBONIESSharp and flat keys, on a piano
EBONIESTrees for keys
EBONIESTrees that yield heavy wood
EBONIESBlack keys