ALL meanings of officer of the day
of·fi·cer of the day
O o - noun officer of the day 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. 1
- noun officer of the day a military officer whose duty is to take charge of the security of the unit or camp for a day 0
- noun officer of the day the military officer in overall charge of the security and guard at a military post for any given day 0