1. (v. i.) To cry with a sharp, shrill, prolonged sound, as certain animals do, indicating want, displeasure, or pain.

2. (v. i.) To turn informer; to betray a secret.

3. (n.) A shrill, somewhat prolonged cry.

babble bark battle cry bawl bay be indiscreet be unguarded bear witness against beep bell bellow betray betray a confidence birdies bitch blab blabber blare blast blat blate bleat blooping blow blow the horn blow the whistle blubber blurping blurt blurt out boom bray breathe bugle buzz cackle call caterwaul chant cheer chirp clarion complain coo creak crow cry distortion drawl exclaim fanfare feedback fink flourish of trumpets flute flutter fluttering gasp give away give tongue give voice grate gripe growl grunt hail halloo hiss hissing holler hollo honk hoot howl howling hum hurrah inform inform against inform on keen leak let drop let fall let slip lilt low meow mew mewl miaow moo motorboating mumble murmur mutter narc nark neigh nicker pant peach peal pimp pipe pule raise a howl rallying cry rasp rat reveal a secret roar rumble scratching screak scream screech sell out shall shout shredding shriek shrill sibilate sigh sing skirl skreigh snap snarl snitch snitch on snort sob sound sound a tattoo sound taps spill spill the beans squall squawk squeak squeals static stool talk tantara tantarara taps tarantara tattle tattle on tattoo tell on tell secrets tell tales testify against thunder toot tootle troat trumpet trumpet blast trumpet call turn informer twang tweedle ululate ululation wail war cry war whoop warble whicker whine whinny whisper whistle whistles whoop wind woomping wow wowwows wrawl yammer yap yawl yawp yell yelp yip yo-ho yowl