Definition of bombardon in English:

bombardon

noun

  • A bass tuba.

    • ‘Every instrument, from the cornets on top to the bombardons or basses on the bottom, used the same valve fingerings.’
    • ‘Seven others were invoking the spirits of the ancient Roman cult of Jupiter with an assortment of instruments including bombardons, Celtic flutes and de rigueur Mellotrons’
    • ‘In fact, he did not even use one brass band: there are no cornets, saxhorns and bombardons in the score, but there is extra orchestral brass.’

Origin

Mid 19th century: from Italian bombardone, from bombardo cannon. Compare with bombarde.

Pronunciation

bombardon

/ˈbɒmbɑːd(ə)n/