Main Entry: su·per·vi·sor

Pronunciation: \ˈsü-pər-ˌvī-zər\

Function: noun

Etymology: Middle English, from Medieval Latin, from supervidēre

Date: 15th century

: one that supervises; especially : an administrative officer in charge of a business, government, or school unit or operation

— su·per·vi·so·ry \ˌsü-pər-ˈvī-zə-rē, -ˈvīz-rē\ adjective