This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A female jackaroo, a woman who does the job of a jackaroo.

"Now, as a little girl I knew “cowboy” was off the table, but I saw no reason not to say “jillaroo” or, indeed, “astronaut.”"

wallaroo   

jackarooesse