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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a•tri•um(ˈeɪ tri əm)
n., pl. a•tri•a (ˈeɪ tri ə)
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.
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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(pl. atria) Either of the two upper chambers of the heart, which receive blood from the veins.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||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"
|2.||atrium - the central area in a building; open to the sky|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
atrium[ˈeɪtrɪəm] (atria or atriums (pl)) N → atrio m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
atrium[ˈeɪtriəm] n [building] → atrium m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
atrium[ˈeɪtrɪəm] n (Archit, Anat) → atrio
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
1. cavidad que tiene comunicación con otra estructura;
2. cavidad superior del corazón.
English-Spanish Medical Dictionary © Farlex 2012
atriumn (pl atria) (of the heart) aurícula
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.