Atria

n. chamber of the heart (Anatomy)

Atria may refer to:Atrium (heart) (plural: atria), an anatomical structure of the heartAtrium (architecture) (plural: atria), a large open space within a buildingAtria (star) or Alpha Trianguli Australis, a star in the constellation Triangulum AustraleAtria Senior Living, an American assisted living companyAtria or Adria, an Etruscan city in the Veneto region of Northern ItalyAtria or Atri, Italy, an ancient city in the Abruzzo region of Central Italy Atria, an imprint of Simon & Schuster
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Noun
1. any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
(hypernym) chamber
(hyponym) atrium cordis, atrium of the heart
2. the central area in a building; open to the sky
(hypernym) court, courtyard

n. atrium, chamber of the heart (Anatomy)

(pl. )
of Atrium