1. (verb)bellow, bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl a very loud utterance (like the sound of an animal) "his bellow filled the hallway"
2. (verb)howl, wrawl, yammer, yowl cry loudly, as of animals "The coyotes were howling in the desert"
3. (verb)yowl, caterwaul utter shrieks, as of cats
Definition of 'yowl'
Webster Dictionary
1. (noun)yowl a loud, protracted, and mournful cry, as that of a dog; a howl
2. (verb)yowl to utter a loud, long, and mournful cry, as a dog; to howl; to yell
Definitions of yowl 
