atrium


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a·tri·um

 (ā′trē-əm)
n. pl. a·tri·a (ā′trē-ə) or a·tri·ums
1. Architecture A rectangular court, as:
a. A usually skylit central area, often containing plants, in some modern buildings, especially of a public or commercial nature.
b. The open area in the center of an ancient Roman house.
c. The forecourt of a building, such as an early Christian church, enclosed on three or four sides with porticoes.
2. Anatomy A body cavity or chamber, especially either of the upper chambers of the heart that receives blood from the veins and forces it into a ventricle. Also called auricle.

[Latin ātrium; see āter- in Indo-European roots.]

atrium

(ˈeɪtrɪəm; ˈɑː-)
n, pl atria (ˈeɪtrɪə; ˈɑː-)
1. (Architecture) the open main court of a Roman house
2. (Architecture) a central often glass-roofed hall that extends through several storeys in a building, such as a shopping centre or hotel
3. (Architecture) a court in front of an early Christian or medieval church, esp one flanked by colonnades
4. (Anatomy) anatomy a cavity or chamber in the body, esp the upper chamber of each half of the heart
[C17: from Latin; related to āter black, perhaps originally referring to the part of the house that was blackened by smoke from the hearth]
ˈatrial adj

a•tri•um

(ˈeɪ tri əm)

n., pl. a•tri•a (ˈeɪ tri ə)
a•tri•ums.
1.
a. a usu. skylighted lobby or court, often several stories high, in an office building, hotel, etc.
b. a central courtyard or patio open to the sky.
c. the main or central room of an ancient Roman house, open to the sky at the center.
d. a courtyard, flanked or surrounded by porticoes, in front of an early or medieval Christian church.
2.
a. a cavity of the body.
b. Also called auricle. either of the two thin-walled upper chambers of the heart that receive blood from the veins and force it into the ventricles.
[1570–80; < New Latin, Latin]
a′tri•al, adj.

a·tri·um

(ā′trē-əm)
Plural atria
A chamber of the heart that receives blood from the veins and pumps it into a ventricle. Mammals, birds, reptiles, and amphibians have two atria; fish have one.

atrial adjective

atrium


click for a larger image
(pl. atria) Either of the two upper chambers of the heart, which receive blood from the veins.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.atrium - any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)atrium - any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
chamber - an enclosed volume in the body; "the chambers of his heart were healthy"
atrium cordis, atrium of the heart - the upper chamber of each half of the heart
2.atrium - the central area in a buildingatrium - the central area in a building; open to the sky
courtyard, court - an area wholly or partly surrounded by walls or buildings; "the house was built around an inner court"

atrium

noun
An area partially or entirely enclosed by walls or buildings:
Translations
předsíň
atrium
atriumboezem
atriuatrium
atrij

atrium

[ˈeɪtrɪəm] (atria or atriums (pl)) Natrio m

atrium

[ˈeɪtriəm] n [building] → atrium m

atrium

n (Archit) → Vorhof m, → Atrium nt (spec); (Roman) → Atrium nt

atrium

[ˈeɪtrɪəm] n (Archit, Anat) → atrio

a·tri·um

n. atrio-a.
1. cavidad que tiene comunicación con otra estructura;
2. cavidad superior del corazón.

atrium

n (pl atria) (of the heart) aurícula
References in periodicals archive ?
The open atrium acoustically separates this curved form from the main rectilinear block that houses the National Library collections in a flexible framework of levels.
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Atrium pays monthly dividends currently at an annual rate of $0.90 per share, plus a special dividend to shareholders of record at year-end to top-up the total dividends so that they equal its earnings in the year.