Each of the keys on a piano keyboard, which produce a note when pressed.
| 单词 | θ227027 | 
| 释义 | society > leisure > the arts > music > musical instrument > keyboard instrument > stringed keyboards > 			[noun]		 > pianoforte > keys (4)		 piano key1829 Each of the keys on a piano keyboard, which produce a note when pressed. sharps and flats1834 Music. sharps and flats: the black keys of the keyboard of a piano. natural1880 Music. Each of the keys on a keyboard instrument (now usually coloured white) which produces a note in a natural scale. dominos1889 plural. The keys of a piano (see also quot. 1889). slang. | 
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