an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviations: OG, O.G.
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How to use officer of the guard in a sentence
British Dictionary definitions for officer of the guard
a junior officer whose duty is to command a ceremonial guard: Abbreviation: OG
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012