Definition of orifice Orifice

/ɔˈɹʌfʌs/ - [orufus] - or•i•fice

We found 6 definitions of orifice from 6 different sources.

What does orifice mean?

WordNet

Noun Plural: orifices
orifice - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
		opening, porta
		passageway, passage a passage between rooms or between buildings
		vent external opening of urinary or genital system of a lower vertebrate
		blastopore the opening into the archenteron
		aortic orifice the orifice from the lower left chamber of the heart to the aorta
		stoma a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
		porta hepatis opening for major blood vessels to enter and leave the liver
		spiracle a breathing orifice
		mouth the opening of a jar or bottle; "the jar had a wide mouth"
		os a mouth or mouthlike opening
		cervix uteri, uterine cervix, cervix necklike opening to the uterus
		fenestra a small opening covered with membrane (especially one in the bone between the middle and inner ear)
		cardia the opening into the stomach and that part of the stomach connected to the esophagus
		introitus entrance or opening to a hollow organ or tube (especially the vaginal opening); "the introitus of the vagina"
		external orifice, urethral orifice the orifice through which urine is discharged
		pylorus a small circular opening between the stomach and the duodenum
		anus the excretory opening at the end of the alimentary canal
		fontanel, fontanelle, soft spot any membranous gap between the bones of the cranium in an infant or fetus
		naris any of the openings to the nasal cavities that allow air to flow through the cavities to the pharynx

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Wiktionary

orifice (Noun)
A mouth or aperture, as of a tube, pipe, etc. ; an opening; as.

Webster DictionaryWebster's Unabridged Dictionary 📘

orifice (n.)
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.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

orifice
An aperture or hole that opens into a bodily cavity.

Chambers DictionaryChamber's 20th Century Dictionary 📕

orifice
or′i-fis, n. something made like a mouth or opening. [Fr.,—L. orificium—os, oris, mouth, facĕre, to make.]

Part of speech

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orifice, noun, singular of orifices.

Pronunciation

Word frequency

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Sign Language

orifice in sign language