controller
con-trol-ler · noun
Definitions
noun
- 1.
A person or thing that controls something.
- 2.
A device used to operate a machine or system.
- 3.
A financial officer responsible for accounts.
- 4.
(computing) A component that manages data flow.
Forms
plural: controllers
Phrases & expressions
- •air traffic controller — person directing aircraft
- •game controller — device for playing video games
- •financial controller — chief accounting officer
Related words
Antonyms: subordinate
Etymology
From Medieval Latin "contrarotulator" meaning one who checks accounts.