The meaning of ORIFICE is an opening (such as a vent, mouth, or hole) through which something may pass. How to use orifice in a sentence.

An orifice is any opening, mouth, hole or vent, as in a pipe, a plate, or a body Body orifice, any opening in the body of a human or animal Orifice plate, a restriction used to measure flow or to …

ORIFICE definition: 1. an opening or hole, especially one in the body, such as the mouth: 2. an opening or hole…. Learn more.

An orifice is an opening or a hole, most often in the body, such as your mouth or your nostril.

ORIFICE definition: an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent. See examples of orifice used in a sentence.

Definition of orifice noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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 + …

6 days ago · orifice (plural orifices) A mouth or aperture, such as of a tube, pipe, etc.; an opening. quotations

Nov 26, 2025 · An orifice is a natural opening or aperture within the body. In anatomy, it refers specifically to a passage that allows communication between an internal cavity and the …

orifice, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary