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Definitions for Atria

[1] Architecture . Also called cavaedium. the main or central room of an ancient Roman house, open to the sky at the center and usually having a pool for the collection of rain water. a courtyard, flanked or surrounded by porticoes, in front of an early or medieval Christian church. a skylit central court in a contemporary building or house.
[2] Anatomy . either of the two upper chambers on each side of the heart that receive blood from the veins and in turn force it into the ventricles.
[3] the open main court of a Roman house
[4] a central often glass-roofed hall that extends through several storeys in a building, such as a shopping centre or hotel
[5] a court in front of an early Christian or medieval church, esp one flanked by colonnades
[6] anatomy a cavity or chamber in the body, esp the upper chamber of each half of the heart

Words related to Atria

atriumchamber, entrance, cavity, court, room, passage

Words nearby Atria

atriumatrioventricular nodal extrasystole, atrioventricular nodal rhythm, atrioventricular node, atrioventricular septum, atrip, atrium, atroceruleous, atrocious, atrocious assault and battery, atrocity, atropatene

Origin of Atria

um1570–80; < Latin (in anatomical sense < NL)

Other words from Atria

a·tri·al , adjective
in·ter·a·tri·al , adjective

Word origin for Atria

umC17: from Latin; related to āter black, perhaps originally referring to the part of the house that was blackened by smoke from the hearth

Synonyms for Atria

chamber, entrance, cavity, court, passage, room