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officer of the day

noun Military.
  1. an officer who has charge of the guard and prisoners on an assigned day at a military installation. Abbreviation: OD, O.D., O.O.D.
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Origin of officer of the day

First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for officer of the day

Historical Examples

  • He was officer-of-the-day, today, and could not leave the premises.

    The Seven-Branched Candlestick

    Gilbert W. (Gilbert Wolf) Gabriel

  • There, a dozen yards away, but trudging fast as dignity would permit, came the officer-of-the-day.

  • I heard in the nick of time of the order to the officer-of-the-day to inspect for Lieutenant Lanier.

  • Officer-of-the-day reported half an hour ago every set was in use.

  • He was playing with the tassel at the end of the red sash which the officer-of-the-day wears about his waist.

    The Seven-Branched Candlestick

    Gilbert W. (Gilbert Wolf) Gabriel

British Dictionary definitions for officer of the day

officer of the day

noun
  1. a military officer whose duty is to take charge of the security of the unit or camp for a dayAlso called: orderly officer
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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