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noun con·trol·ler \kən-ˈtrō-lər, ˈkän-ˌ\

Simple Definition of controller

  • : a person who is in charge of the money received and paid out by a business or college

  • : a person who directs the action of something

  • : a device or piece of equipment used to operate a machine, vehicle, or system

Source: Merriam-Webster's Learner's Dictionary

Full Definition of controller

  1. 1 a :  comptroller 1 b :  comptroller 2 c :  the chief accounting officer of a business enterprise or an institution (as a college)

  2. 2 a :  one that controls or has power or authority to control <air traffic controller> b :  control 3b


play \-ˌship\ noun

Examples of controller in a sentence

  1. <the controllers for the video game system seem fairly well designed>

Origin and Etymology of controller

Middle English countreroller, from Anglo-French contreroulur, from contreroule

First Known Use: 15th century

Law Dictionary


noun con·trol·ler \kən-ˈtrō-lər, ˈkän-ˌtrō-\

Legal Definition of controller

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