ALL meanings of atrium
a·tri·um
A a - countable noun atrium An atrium is a part of a building such as a hotel or shopping centre, which extends up through several floors of the building and often has a glass roof. 3
- noun atrium the open main court of a Roman house 3
- noun atrium a central often glass-roofed hall that extends through several storeys in a building, such as a shopping centre or hotel 3
- noun atrium a court in front of an early Christian or medieval church, esp one flanked by colonnades 3
- noun atrium a cavity or chamber in the body, esp the upper chamber of each half of the heart 3
- noun atrium the central court or main room of an ancient Roman house 3
- noun atrium a hall or court at the center or entrance of a building, usually rising through more than one story or all the stories and having a skylight or glass on one side and the roof 3
- noun atrium a chamber or cavity, esp. either of the thin-walled upper chambers of the heart that receive blood; auricle 3
- noun atrium heart chamber 1
- noun atrium courtyard 1
- noun atrium An open-roofed entrance hall or central court in an ancient Roman house. 1
- noun plural atrium 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. 1
- noun plural atrium 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. 1
- noun atrium (architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings. 0
- noun atrium (architecture) A square hall lit by daylight from above, into which rooms open at one or more levels. 0
- noun atrium (anatomy) A cavity, entrance, or passage. 0
- noun atrium (biology) Any enclosed sexine and nexine layers, widening toward the interior of the grain. 0