Definitions
Central open area in a building, or an upper chamber of the heart.
Word origin
From Latin ātrium (“entry hall”), from Etruscan.
Used in a sentence
“an atrium of the infundibula of the lungs”
“Nexine 0.5μ thick, separating from the sexine about 5μ from the pore and forming a deep, well-defined atrium.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Open central hall”6 letters
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