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Noun: atrium (atriums,atria)  ey-tree-um
  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

Derived forms: atria, atriums

Type of: chamber, court, courtyard

Part of: heart, pump, ticker [informal]

Encyclopedia: Atrium, Cardiff

Nearest

atrioventricular nodal rhythm
atrioventricular node
atrioventricular trunk
atrioventricular valve
atrip
Atriplex
Atriplex hortensis
Atriplex hymenelytra
Atriplex lentiformis
Atriplex mexicana
atrium
atrium cordis
atrium dextrum
atrium of the heart
atrium sinistrum
atrocious
atrociously
atrociousness
atrocity
Atromid-S
Atropa