noun Etymology: from the practice of shaving the tails of newly broken mules to distinguish them from seasoned ones Date: 1846 a pack mule especially when newly broken in, second lieutenant
SHAVETAIL
Meaning of SHAVETAIL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012