The mouth is an orifice.
The mouth is an example of an orifice.
Origin of orificeFrench ; from Late Latin orificium ; from Classical Latin os (gen. oris), a mouth (see oral) + -ficere ; from facere, to make, do
Origin of orificeMiddle English, from Old French, from Late Latin ōrificium : Latin ōs, ōr-, mouth; see ōs- in Indo-European roots + Latin -ficium, a making, doing (from facere, to make; see dhē- in Indo-European roots).
Middle English, from Old French, from Late Latin orificium (“an opening, literally the making of a mouth"), compound of os (“mouth") + facere (“to make")