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.

a hole or opening, especially one in the body. Definition of orifice noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage …

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 + …

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

Sep 21, 2025 · An orifice is an opening or hole, especially one in the body such as a nostril or the opening of a blood vessel. It can also refer to any opening or aperture in various scientific and …

Dec 14, 2025 · orifice (plural orifices) A mouth or aperture, such as of a tube, pipe, etc.; an opening. quotations the orifice of an artery or vein; the orifice of a wound; the vagina and other …