AskDefine | Define atrium

Dictionary Definition



1 any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
2 the central area in a building; open to the sky [also: atria (pl)]

User Contributed Dictionary



From ātrium (entry hall)


  1. In the context of "architecture": A square hall lighted from above, into which rooms open at one or more levels.
  2. A body cavity or chamber, especially an upper chamber of the heart that receives blood from the veins and forces it into a ventricle. An auricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins.


square hall
  • Finnish: atrium
  • French: atrium
  • German: Atrium
  • Greek: αίθριο
  • Romanian: atrium
  • Slovene: atrij
body cavity
  • Czech: předsíň
  • Greek: κόλπος
  • Romanian: atriu

Derived terms



  1. welcoming room in a Roman villa


See also

Extensive Definition

Atrium may refer to:
atrium in Czech: Atrium (rozcestník)
atrium in German: Atrium
atrium in French: Atrium
atrium in Italian: Atrio
atrium in Dutch: Atrium
atrium in Japanese: アトリウム
atrium in Portuguese: Átrio
atrium in Russian: Атриум (значения)
atrium in Sicilian: Atrium
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