- 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.
- 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.
Origin of atrium
Examples from the Web for atria
Glow: The Autobiography of Rick JamesRick James David Ritz (Atria Books) Where to begin?The Best Memoirs of 2014
December 9, 2014
Doctors put the patient on a heart-lung machine before surgeons remove the heart—except for the back walls of the atria.
Heymann chose not to return messages left with his publisher, Atria Books.Kennedy Fantasies
July 24, 2009
The atria and peristyles were embellished with valuable paintings and statues.Foods and Culinary Utensils of the Ancients
They say that Atria was formerly a famous city, from which the Adriatic Gulf, with a slight variation, received its name.
Atria regum hominibus plena sunt, amicis vacua—The courts of kings are full of men, empty of friends.
The real hearth, originally in the atrium, had long since vanished from the atria of the wealthy and aristocratic.Quintus Claudius, Volume 1 of 2
No mouth opened along the cleft of the cone itself; all the lava issued from that part which extended into the Atria.The Eruption of Vesuvius in 1872
- the open main court of a Roman house
- a central often glass-roofed hall that extends through several storeys in a building, such as a shopping centre or hotel
- a court in front of an early Christian or medieval church, esp one flanked by colonnades
- anatomy a cavity or chamber in the body, esp the upper chamber of each half of the heart
Word Origin and History for atria
classical plural of atrium.
1570s, from Latin atrium "central court or main room of an ancient Roman house, room which contains the hearth," sometimes said (on authority of Varro, "De Lingua Latina") to be an Etruscan word, but perhaps from PIE *ater- "fire," on notion of "place where smoke from the hearth escapes" (through a hole in the roof). Anatomical sense of "either of the upper cavities of the heart" first recorded 1870. Meaning "skylit central court in a public building" first attested 1967.
- A chamber or cavity to which several chambers or passageways are connected.
- Either the right or the left upper chamber of the heart that receives blood from the veins and forces it into a ventricle.
- That part of the tympanic cavity that lies below the eardrum.
- A subdivision of the alveolar duct in the lung from which the alveolar sacs open.
- A chamber of the heart that receives blood from the veins and forces it by muscular contraction into a ventricle. Mammals, birds, reptiles, and amphibians have two atria; fish have one.