controller
Translation
controller, regulator, comptroller
Examples
He used the controller to play the video game.
He used the controller to play the video game.
The air traffic controller guided the plane safely.
The air traffic controller guided the plane safely.
She is the financial controller of the company.
She is the financial controller of the company.
Grammar Patterns
a ((type of)) controller a financial controller
the controller ((of sth.)) the controller of the company
Similar Words
Synonyms: regulator, supervisor, manager
Etymology
From the verb 'control' plus the agent suffix '-er', meaning 'one who/that which controls'.
Memory Tips
Think of something or someone that has 'control'. A game controller controls the character; an air traffic controller controls planes.