- 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 atrium
He had reassembled the weapon in a bathroom and stepped out onto a fourth-floor walkway overlooking an atrium.
He was wounded as he and a number of comrades exchanged fire with Alexis, by one account across the atrium.
The PBS broadcast will also be screened for free, beginning at 9:00 p.m., at the David Rubenstein Atrium at Lincoln Center.The New York Philharmonic and Credit Suisse Kick Off the 2010-11 Season with a Free Dress Rehearsal
Daily Beast Promotions
September 22, 2010
In the house of Vettius the two money chests were found in the atrium.
This basin was in the center of the atrium, the most important room in the house.
Tablinum, in a Roman house, the room between the atrium and the peristyle.
Fauces, the passage from the atrium to the peristyle in a Roman house.
A man in evening dress came out into the atrium, lighting a cigarette.The Lure of the Mask
- 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 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.