a military officer whose duty is to take charge of the security of the unit or camp for a day
Also called: orderly officer
orderly officer in American English
noun
Military
officer of the day, as in the British army or, formerly, in the U.S. Army
Word origin
[1765–75]This word is first recorded in the period 1765–75. Other words that entered Englishat around the same time include: bilateral, civilization, lightweight, mocha, pile driver
Examples of 'orderly officer' in a sentence
orderly officer
He hits the nearest fire button and then radios out to the control-room to alert the orderly officer.
Parkes, Roger RIOT
A few days later he was awarded 14 days 'extra orderly officer' punishment, instead of the usual single day, for some minor regimental offence.