Yowl v. i. : To utter a loud, long, and mournful cry, as a dog; to howl; to yell.

Yowl n. : A loud, protracted, and mournful cry, as that of a dog; a howl.

Example:
Why doesn't my cat in heat Yowl when I close her in the bathroom for a day?

Taxonomy
yowl, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Middle English, glossary, language, ESL, yau, Etymology, 13th century, intransitive verb, grief, pain, distress, protest.

Defination from the web:
yowl from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 2 : to complain or protest with or as if with yowlstransitive verb : to express with yowling. Learn more about "yowl" and related topics at Britannica.com ...