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| a·tri·um [ áytree əm ] (plural a·tri·ums or a·tri·a [ áytree ə ]) |
noun |
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| Definition: |
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1. central hall with skylight: a central hall usually with a glass roof or skylight and extending the full height or several stories of a building
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2. Roman courtyard: the open central courtyard of an ancient Roman house
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3. anatomy body cavity: a cavity of the body, especially one of the upper chambers of the heart that takes blood from the veins and pumps it into a ventricle
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| [Late 16th century. < Latin] |
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