
• (v. i.) To howl.
Found on
http://thinkexist.com/dictionary/meaning/gowl/
Gowl intransitive verb [ Middle English
gaulen ,
goulen . Confer
Yawl ,
intransitive verb ] To howl. [ Obsolete]
Wyclif. Found on
http://www.encyclo.co.uk/webster/G/47

Could it be from the Irish “gall”, for foreigner? Or, more likely, “gabhal”, which has multiple meanings, including a fork in a road, gap, junction or, of course, crotch?
Found on
https://www.irishtimes.com/culture/up-to-90-ireland-in-our-favourite-words-
No exact match found.