Main Entry: con·trol·ler

Pronunciation: \kən-ˈtrō-lər, ˈkän-ˌ\

Function: noun

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

Date: 15th century

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 controller> b : control 3b

— con·trol·ler·ship \-ˌship\ noun