jpdb beta

keyboard (piano, computer, etc.)

key (of a piano, etc.)

hidden mysteries; secret principle

black key (on a piano, organ, etc.)

keystroke

white key (on a piano, organ, etc.)

keyboard instrument; clavier

melodica; pianica; blow-organ; keyboard harmonica

telegraph key (switching device used to send Morse code)

locking doors; lock and key; vital point

keystroke verification

relay key