Also found in: Thesaurus, Medical, Encyclopedia.


 (ôr′ə-fĭs, ŏr′-)
An opening, especially to a cavity or passage of the body; a mouth or vent.

[Middle 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).]

or′i·fi′cial (-fĭsh′əl) adj.


relating to an orifice
References in periodicals archive ?
Stockton argues that "the discourse of sodomy conflates and confuses the anus and the vagina, female and male bodies, and threatens sexual difference"; his analysis focuses less on "certain bodies or orifices" than on the way that sodomy can "queer opposite-sex relationships predic[a]ted on genital and orificial clarity.
Ondine Chavoya states, the work "reverses the symbolic axis of the city's system of spatial purification and organization by memorializing its abject, orificial source.
celleporoides in the morphology of the avicularia (defensive zooids), and a new genus resembling Dysnoetopora in constructing branched, 'celleporiform' colonies but having feeding zooids with an orificial sinus.