a place where research or planning is done, esp secret research in wartime
b.
(as modifier)
back-room boys
back room in American English
noun
1.
a room located in the rear, esp. one used only by certain people
2.
a place where powerful or influential persons, esp. politicians, meet to plan secretly or from which they exercise control in an indirect manner
The candidate for mayor was chosen in the precincts' back rooms
Also: backroom
Word origin
[1585–95]This word is first recorded in the period 1585–95. Other words that entered Englishat around the same time include: develop, parallax, scuff, switch, titular
Examples of 'back room' in a sentence
back room
Then she goes into a back room to discuss my request with a colleague.
Times, Sunday Times (2007)
New back-room staff changed the set-up of the kit room without consulting the manager.
The Sun (2017)
At the training ground, terse exchanges with his back-room staff are not unusual.