Noun controller has 3 senses
  1. accountant, comptroller, controller - someone who maintains and audits business accounts
    --1 is a kind of businessperson, bourgeois
    --1 has particulars:
     auditor; bean counter; bookkeeper; certified public accountant, CPA; chartered accountant; cost accountant
    Derived form: verb control6
  2. restrainer, controller - a person who directs and restrains
    --2 is a kind of person, individual, someone, somebody, mortal, human, soul
    --2 has particulars:
     subduer, surmounter, overcomer; suppressor, suppresser; withholder
    Derived forms: verb control1, verb control4
  3. control, controller - a mechanism that controls the operation of a machine; "the speed control on his turntable was not working properly"; "I turned the controls over to her"
    --3 is a kind of mechanism
    --3 has particulars:
     cruise control; dial; disk controller; governor, regulator; handwheel; joystick; regulator; switch, electric switch, electrical switch; valve