Definition of sons bouchés in English:

sons bouchés

noun

Music
  • With plural and singular concord. In horn playing: notes stopped by the insertion of the hand into the bell. Also as adverb: a musical direction indicating this.

Origin

Early 20th century; earliest use found in Proceedings Musical Association. From French sons bouchés, plural noun, lit. ‘blocked sounds’ from the plural of son sound + bouchés, masculine plural past participle of boucher.

Pronunciation

sons bouchés

/ˌsɒ̃ buːˈʃeɪ//ˌsɒn ˈbuːʃeɪ/