A small rectangular wind instrument with a row of metal reeds along its length, held against the lips and moved from side to side to produce different notes by blowing or sucking.
- ‘He blew into his harmonica with the microphone pressed hard up to its air outlets.’
- ‘The music is a unique sound of Irish folk ballads, traditional tunes with vocals accompanied by bazouki, bodhrán, harmonicas and whistles.’
- ‘Finally he turned around, a harmonica pressed up against his mouth as he blew in and out.’
- ‘He first started entertaining the other deckhands with his harmonica and then added the guitar.’
- ‘He recalled his amazement at seeing his friend play the harmonica with one hand while accompanying himself on the piano.’
Mid 18th century from Latin, feminine singular or neuter plural of harmonicus ‘musical’ (see harmonic).