atrium

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

   1. (anatomy) One of two upper chambers of the heart.
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

Meronyms

• (chamber of the heart): left atrium, right atrium

Holonyms

• (chamber of the heart): heart

Derived terms

• atrial
• atriate
• subatrium

Translations

central room in Roman homes

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

• Hungarian: átrium (hu)
• Latin: ātrium n
• 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)

• Kurdish: guhik (ku) m
• Latin: cavaedium n
• 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

one of two upper chambers of the heart

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

  Mandarin: 心房 (zh) (xīnfáng)

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

• Hungarian: pitvar (hu), szívpitvar (hu)
• Japanese: アトリウム (atoriumu)
• Kurdish: guhikê dil (ku) m
• 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

Anagrams

• Timaru

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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

Possessive forms of atrium (type risti)
possessor	singular	plural
1st person	atriumini	atriumimme
2nd person	atriumisi	atriuminne
3rd person	atriuminsa

Synonyms

• (square hall): valopiha

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French

Etymology

Borrowed from Latin ātrium. Doublet of aître.

Pronunciation

• IPA^(key): /a.tʁi.jɔm/

Noun

atrium m (plural atriums)

1. atrium

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Latin

Etymology

• Either from Ancient Greek αἴθριον (aíthrion, “under the sky, open”),
• or related to latin āter and oscan atru,
• or from Etruscan 𐌄𐌛𐌈𐌀 "atrium, temple, house, domus".

Pronunciation

• (Classical) IPA^(key): /ˈaː.tri.um/, [ˈaː.t̪ri.ʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /ˈa.tri.um/, [ˈaː.t̪ri.um]

• Audio (Classical)

  (file)

Noun

ātrium n (genitive ātriī or ātrī); second declension

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

Declension

Second-declension noun (neuter).

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

Descendants

• Catalan: atri
• → English: atrium
• Old French: aitre
  • French: aître
  • Norman: aistre (merged with some Norse root explaining the unetymological « s »)
• Galician: adro, atrio
• → Hungarian: átrium
• Irish: aitriam
• Italian: atrio
• Portuguese: adro, átrio
• Spanish: atrio

See also

• vestibulum

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
• atrium in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• ātrĭum in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette, page 182/3
• 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, Leiden, Boston: Brill, page 67