The definition of an orifice is an opening, especially an opening to the body or the opening of a tube or pipe.(noun)
The mouth is an example of an orifice.
See orifice in Webster's New World College Dictionary
Origin: Fr < LL orificium < L os (gen. oris), a mouth (see oral) + -ficere < facere, to make, do
See orifice in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French
Origin: , from Late Latin ōrificium
Origin: : Latin ōs, ōr-, mouth; see ōs- in Indo-European roots
Origin: + Latin -ficium, a making, doing (from facere, to make; see dhē- in Indo-European roots).
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