[con.trol.ler] n [ME contreroller, fr. MF contrerolleur, fr. contrerolle] (15c) 1 a: comptroller 1 b: comptroller
2. c: the chief accounting officer of a business enterprise or an institution (as a college)
2. a: one that controls or has power or authority to control "air traffic ~" b: control 3b -- con.trol.ler.ship n