Main Entry: comp·trol·ler

Pronunciation: \kən-ˈtrō-lər, ˈkäm(p)-ˌ, käm(p)-ˈ\

Function: noun

Etymology: Middle English, alteration of countreroller controller

Date: 15th century

1 : a royal-household official who examines and supervises expenditures
2 : a public official who audits government accounts and sometimes certifies expenditures
3 : controller 1c

— comp·trol·ler·ship \-ˌship\ noun