Orifice

Pronunciation

Origin

Middle English, from , from Late Latin orificium ("an opening, literally the making of a mouth"), compound of os ("mouth") + facio ("to make")

Full definition of orifice

Noun

1. A mouth or aperture, as of a tube, pipe, etc.; an opening; as,
• the orifice of an artery or vein
• the orifice of a wound