Entry 2 senses · 2 variants Webster, 1913 Yowl · IPA /jaʊl/ v. i. n. 01 v. i. To utter a loud, long, and mournful cry, as a dog; to howl; to yell. 1. To utter a loud, long, and mournful cry, as a dog; to howl; to yell. 02 n. A loud, protracted, and mournful cry, as that of a dog; a howl. 1. A loud, protracted, and mournful cry, as that of a dog; a howl.