From WordNet (r) 3.0 (2006):
blare
n 1: a loud harsh or strident noise [syn: blare, blaring,
cacophony, clamor, din]
v 1: make a strident sound; "She tended to blast when speaking
into a microphone" [syn: blast, blare]
2: make a loud noise; "The horns of the taxis blared" [syn:
honk, blare, beep, claxon, toot]