Definition of atrium
English to English noun - any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
source: WordNet 3.0 - the central area in a building; open to the sky
source: WordNet 3.0 - A square hall lighted from above, into which rooms open at one or more levels.
source: Webster 1913 - A cavity, entrance, or passage; as, the atrium, or atrial cavity, in the body wall of the amphioxus; an atrium of the infundibula of the lungs, etc.
source: Webster 1913
Visual Synonyms 
Nearby Word
atrium, athyrium, auditorium, atherine, atheroma, attorn, adrian, adermin, atrenne, attorney, adorn, adherent, adherence
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