atrium

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

• IPA^(key): /ˈeɪ.tɹi.əm/

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• Hyphenation: a‧tri‧um

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 body cavity or chamber.
5. (anatomy) An upper chamber of the heart that receives blood from the veins and forces it into a ventricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins.
6. (anatomy) A microscopic air sac within a pulmonary alveolus.
7. (palynology) A cavity inside a porate aperture of a pollen grain formed by the separation of the 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, page 52:

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

• (room in Roman homes): cavaedium

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

• (chamber of the heart): heart

• atrium on Wikipedia.Wikipedia

• Timaru

atrium

1. Romanization of 𐌀𐌕𐌓𐌉𐌖𐌌

From Latin ātrium.

• IPA^(key): /ˈɑtrium/, [ˈɑ̝t̪rium]
• Rhymes: -ɑtrium
• Syllabification^(key): at‧ri‧um

atrium

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

• (square hall): valopiha

• “atrium”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎ (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2023-07-02

Borrowed from Latin ātrium. Doublet of aître.

• IPA^(key): /a.tʁi.jɔm/

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atrium m (plural atriums)

1. atrium

• “atrium”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

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

• IPA^(key): [at̚ˈriʊm]
• Hyphenation: at‧ri‧um

atrium (first-person possessive atriumku, second-person possessive atriummu, third-person possessive atriumnya)

1. atrium:

   Synonym: serambi

   1. (architecture) a central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.

      Synonym: beranda

   2. (anatomy) cavity, entrance, or passage.
   3. (anatomy) one of two upper chambers of the heart.

• “atrium” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

• Either from Ancient Greek αἴθριον (aíthrion, “under the sky, open”) (see αἰθήρ (aithḗr, “clear sky, heaven”)),
• or related to Latin āter, Umbrian 𐌀𐌕𐌓𐌖 (atru), Oscan 𐌀𐌀𐌃𐌝𐌓𐌉𐌉𐌔 (aadíriis), from Proto-Indo-European *h₂eh₁tr-yom,
• or from Etruscan 𐌀𐌈𐌓𐌄 (aθre, “atrium, temple, house, domus”).

Related to Etruscan 𐌀𐌕𐌓𐌉𐌖𐌌 (atrium).

• (Classical) IPA^(key): /ˈaː.tri.um/, [ˈäːt̪riʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈa.tri.um/, [ˈäːt̪rium]

ātrium n (genitive ātriī or ātrī); second declension

1. a welcoming room in a Roman villa; reception hall, main court
   • 29 BCE – 19 BCE, Virgil, Aeneid 4.665–666:

     It clāmor ad altā / ātria

     An outcry goes up to the height of the [palace] halls.
     (Translations vary – Mackail, 1885: “the high halls”; Knight, 1956: “the palace-roof”; Fitzgerald, 1981: “the high chambers”; West, 1990: “the high walls of the palace”; Ahl, 2007: “high through the courtyard’s open roof”; Ruden, 2021: “to the rooftop”.)

2. a hall, court in a temple

Second-declension noun (neuter).

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

• ātriārius
• ātriēnsis
• ātriola
• ātriolum

• Ātrius
• vestibulum

• “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 with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 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: E. J. Brill, page 67

atrium n (definite singular atriet, indefinite plural atrier, definite plural atria or atriene)

1. (architecture) an atrium

atrium n (definite singular atriet, indefinite plural atrium, definite plural atria)

1. (architecture) an atrium

Borrowed from Latin ātrium.

• IPA^(key): /ˈat.rjum/

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• Rhymes: -atrjum
• Syllabification: at‧rium

atrium n

1. (architecture) atrium (a square hall lit by daylight from above, into which rooms open at one or more levels)
2. (architecture, Ancient Rome) atrium (a central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings)
3. (anatomy) atrium (one of two upper chambers of the heart)

   Synonym: przedsionek

• atrium in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• atrium in Polish dictionaries at PWN

Borrowed from Latin atrium.

atrium n (uncountable)

1. atrium