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officer of the guard

noun Military.
  1. 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. Abbreviation: OG, O.G.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for officer of the guard

Historical Examples of officer of the guard

  • Then he hunted up a subaltern of his own grade whom he knew would probably be the detail for officer-of-the-guard that evening.

  • Rafferty told me Mr. Lanier was officer-of-the-guard, and everybody else was at the dance.

British Dictionary definitions for officer of the guard

officer of the guard

noun
  1. a junior officer whose duty is to command a ceremonial guardAbbreviation: 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