atrium

See also: Atrium and átrium

English

A library atrium.

Etymology

From Latin ātrium (“entry hall”), from Etruscan.

Pronunciation

• IPA^(key): /ˈeɪ.tɹi.əm/
• Hyphenation: a‧tri‧um

Noun

atrium (plural atria or atriums)

1. (architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
2. (architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.
3. (anatomy) A cavity, entrance, or passage.

   an atrium of the infundibula of the lungs

4. (biology) Any enclosed sexine and nexine layers, widening toward the interior of the grain.
   • 1965, Janet Kircher Warter, Palynology of a Lignite of Lower Eocene (Wilcox) Age from Kemper County^[1], page 52:

     Nexine 0.5μ thick, separating from the sexine about 5μ from the pore and forming a deep, well-defined atrium.

Synonyms

• (room in Roman homes): cavaedium

Translations

central room in Roman homes

• Bulgarian: а́триум m (átrium)
• Catalan: atri m
• Danish: gårdhave, atrium
• Finnish: atrium (fi)

• Occitan: atri m
• Portuguese: átrio (pt) m
• Russian: а́триум (ru) m (átrium), а́трий (ru) m (átrij)

square hall lit from above

• Catalan: atri m
• Danish: atrium
• Finnish: atrium (fi), valopiha (fi)
• French: atrium (fr) m
• German: Atrium (de) n
• Greek: αίθριο (el) n (aíthrio)
• Hungarian: átrium (hu)

• Portuguese: átrio (pt) m
• Romanian: atrium (ro) n
• Russian: а́триум (ru) m (átrium), а́трий (ru) m (átrij)
• Slovene: atrij (sl) m
• Spanish: atrio (es) m
• Tamil: அறை (ta) (aṟai)

body cavity

• Czech: předsíň (cs) f
• Dutch: boezem (nl) m, atrium (nl) n
• Finnish: ontelo (fi)
• Greek: κόλπος (el) m (kólpos)

• Hebrew: עלייה‏‎ (he) f (aliya)
• Irish: aitriam m
• Portuguese: átrio (pt) m, aurícula f
• Romanian: atriu (ro) n

chamber of the heart

• Armenian: նախասիրտ (hy) (naxasirt)
• Bulgarian: ухо на предсърдието (uho na predsǎrdieto)
• Catalan: aurícula f
• Chinese:

  Mandarin: 心房 (zh) (xīnfáng)

• Finnish: eteinen (fi)
• French: oreillette (fr) f
• German: Atrium (de) n
• Greek: κόλπος (el) m (kólpos)

• Japanese: アトリウム (atoriumu)
• Polish: przedsionek (pl) m
• Portuguese: átrio (pt) m, aurícula f
• Russian: предсе́рдие (ru) n (predsérdije)
• Spanish: aurícula (es) f
• Swedish: förmak (sv) n, atrium (sv) n (rare)
• Tagalog: silid-anuran
• Welsh: atriwm m

Derived terms

• atrial
• atriate

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Finnish

Noun

atrium

1. atrium (central room in Roman homes)
2. atrium (square hall lit from above)

Declension

Inflection of atrium (Kotus type 5/risti, no gradation)
nominative		atrium	atriumit
genitive		atriumin	atriumien
partitive		atriumia	atriumeja
illative		atriumiin	atriumeihin
		singular	plural
nominative		atrium	atriumit
accusative	nom.	atrium	atriumit
	gen.	atriumin
genitive		atriumin	atriumien
partitive		atriumia	atriumeja
inessive		atriumissa	atriumeissa
elative		atriumista	atriumeista
illative		atriumiin	atriumeihin
adessive		atriumilla	atriumeilla
ablative		atriumilta	atriumeilta
allative		atriumille	atriumeille
essive		atriumina	atriumeina
translative		atriumiksi	atriumeiksi
instructive		—	atriumein
abessive		atriumitta	atriumeitta
comitative		—	atriumeineen

Synonyms

• (square hall): valopiha

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French

Etymology

Borrowed from Latin ātrium. Doublet of aître.

Noun

atrium m (plural atriums)

1. atrium

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Latin

Etymology

Related to āter, or from Etruscan.

Pronunciation

• (Classical) IPA^(key): /ˈaː.tri.um/, [ˈaː.tri.ũ]

• Audio (Classical)

  (file)

Noun

ātrium n (genitive ātriī); second declension

1. a welcoming room in a Roman villa; reception hall
2. a hall, court in a temple

Declension

Second declension.

Case	Singular	Plural
nominative	ātrium	ātria
genitive	ātriī ātrī1	ātriōrum
dative	ātriō	ātriīs
accusative	ātrium	ātria
ablative	ātriō	ātriīs
vocative	ātrium	ātria

¹Found in older Latin (until the Augustan Age).

Derived terms

• ātriārius
• ātriēnsis
• ātriōla
• ātriōlum

See also

• vestibulum

Descendants

• English: atrium
• Galician: adro
• Hungarian: átrium
• Irish: aitriam
• Italian: atrio
• Portuguese: adro, átrio
• Spanish: atrio

References

• ātrĭum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• atrium in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• du Cange, Charles (1883), “atrium”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
• “ātrĭum” on page 182/3 of Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
• atrium in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• atrium in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin
• “ātrium” on page 199 of the Oxford Latin Dictionary (1st ed., 1968–82)
• Niermeyer, Jan Frederik (1976), “atrium”, in Mediae Latinitatis Lexicon Minus (in Latin), Leiden, Boston: Brill, page 67