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English definition of “atrium”

atrium

noun [C]     /ˈeɪtriəm/ (plural atria, or atriums)
a large open central area in a public or commercial building, often with a glass roof, and sometimes containing plants and a pool: The 130,000-square-feet of office space surrounds an atrium.
(Definition of atrium noun from the Cambridge Business English Dictionary © Cambridge University Press)
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