plural controllers
1
: a person who is in charge of the money received and paid out by a business or college
2
: a person who directs the action of something
an air traffic controller
3
: a device or piece of equipment used to operate a machine, vehicle, or system
a volume controller
Cite this Entry
“Controller.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/controller. Accessed 6 May. 2026.
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