Main Entry: or·i·fice

Pronunciation: \ˈȯr-ə-fəs, ˈär-\

Function: noun

Etymology: Middle English, from Middle French & Late Latin; Middle French, from Late Latin orificium, from Latin or-, os mouth + facere to make, do — more at oral, do

Date: 15th century

: an opening (as a vent, mouth, or hole) through which something may pass

— or·i·fi·cial \ˌȯr-ə-ˈfi-shəl, ˌär-\ adjective