orifice

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or·i·fice

 (ôr′ə-fĭs, ŏr′-)
n.
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.

orifice

(ˈɒrɪfɪs)
n
chiefly Technical an opening or mouth into a cavity; vent; aperture
[C16: via French from Late Latin ōrificium, from Latin ōs mouth + facere to make]

or•i•fice

(ˈɔr ə fɪs, ˈɒr-)

n.
an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent.
[1535–45; < Middle French < Latin ōrificium=ōr- (s. of ōs) mouth + -fic-, comb. form of facere to make, do1]
or`i•fi′cial (-ˈfɪʃ əl) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.orifice - an aperture or hole that opens into a bodily cavityorifice - an aperture or hole that opens into a bodily cavity; "the orifice into the aorta from the lower left chamber of the heart"
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)
passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages"
porta hepatis - opening for major blood vessels to enter and leave the liver
spiracle - a breathing orifice
mouth - the externally visible part of the oral cavity on the face and the system of organs surrounding the opening; "she wiped lipstick from her 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
rima - a narrow elongated opening or fissure between two symmetrical parts

orifice

noun opening, space, hole, split, mouth, gap, rent, breach, vent, pore, rupture, aperture, cleft, chink, fissure, perforation, interstice Viruses get into the body via any convenient orifice.

orifice

noun
An open space allowing passage:
Translations

orifice

[ˈɒrɪfɪs] Norificio m

orifice

[ˈɒrəfɪs] norifice m

orifice

nÖffnung f

orifice

[ˈɒrɪfɪs] norifizio

or·i·fice

n. orificio, salida, boquete, abertura.

orifice

n orificio
References in periodicals archive ?
Two-dimensional (2D) and real-time 3-dimensional (3D) transthoracic echocardiography (TTE) revealed a very mobile (characterized by whip-like motion), thin, filamentous structure in the right atrium (Chiari network) prolapsing into right ventricle through the tricuspid orifice during diastole (Fig.
Echocardiography revealed a freely mobile, thin, filamentous structure in the right atrium, moving rapidly in and out of the right ventricle through the tricuspid orifice (Fig.