From Middle English yollen, past participle of yellen (“to yell”). More at yell, yollen.
yowl (plural yowls)
- A prolonged, loud cry, like the sound of an animal; a wail; a howl.
yowl (third-person singular simple present yowls, present participle yowling, simple past and past participle yowled)
- (intransitive) Utter a yowl.
- (transitive) Express by yowling; utter with a yowl.