harmonica
a small, rectangular instrument made of metal or plastic two rows of holes on the front a set of reeds inside the instrument a cover plate on the back a set of buttons or keys to change the notes a mouthpiece for blowing and/or drawing air into the instrument
harmonica which is a small, rectangular instrument harmonica which has made of metal or plastic harmonica which has two rows of holes on the front harmonica which is a set of reeds inside the instrument harmonica which is a cover plate on the back harmonica which is a set of buttons or keys to change the notes harmonica which is a mouthpiece for blowing and/or drawing air into the instrument