Definition of harmonica in English:

harmonica

Line breaks: har|mon¦ica
Pronunciation: /hɑːˈmɒnɪkə
 
/

noun

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. Also called mouth organ.
More example sentences
  • 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.

Origin

mid 18th century: from Latin, feminine singular or neuter plural of harmonicus 'musical' (see harmonic).

Definition of harmonica in:

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Pronunciation: ˌɪntəˈniːsʌɪn
adjective
destructive to both sides in a conflict