atrium

معنی کلمه atrium

معنی واژه atrium

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n. - A square hall lighted from above, into which rooms open at one or more levels.
n. - An open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery.
n. - The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.
n. - A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See Ascidioidea.
n. - 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.