Meaning of ATRIUM OF THE HEART

WordNet Dictionary
	Definition:		[n]  the upper chamber of each half of the heart
	Synonyms:		atrium cordis
	See Also:		atrial auricle, atrium, atrium dextrum, atrium sinistrum, auricle, auricula, auricula atrii, auricular appendage, auricular appendix, left atrium, left atrium of the heart, right atrium, right atrium of the heart