shavetail
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shavetail
(ˈʃeɪvˌteɪl)n
1. (Military) military slang censorious a derogatory term for a second lieutenant or newly commissioned officer
2. (Animals) a pack mule that has not been broken in or trained yet
3. censorious a person with little experience
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
shave•tail
(ˈʃeɪvˌteɪl)n. Slang.
a newly commissioned army officer, esp. a second lieutenant.
[1890–95, Amer.; orig. in reference to unbroken army mules, whose tails were shaved for identification]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.