Lay on, as a horn (5)
I believe the answer is:
blare
(Other definitions for blare that I've seen before include "Sound loud and harsh" , "Loud harsh noise" , "Strident sound" , "Sound loudly" , "Roar" .)
I believe the answer is:
blare
(Other definitions for blare that I've seen before include "Sound loud and harsh" , "Loud harsh noise" , "Strident sound" , "Sound loudly" , "Roar" .)