cornopean

From Latin cornus (“horn”) + English paean (“song of praise”).

cornopean (plural cornopeans)

1. (music, obsolete) A large valved horn or trumpet, similar to the orchestral cornet (cornet-à-piston).
   • 1857, Thomas Hughes, chapter 7, in Tom Brown's School Days:

     […] outside the school-gates were drawn up several chaises […] and a cornopean player, hired for the occasion, blowing away "A southerly wind and a cloudy sky," waking all peaceful inhabitants half-way down the High Street.