atrioventricular adj 1: relating to or affecting the atria and ventricles of the heart; "atrioventricular disease" [syn: {atrioventricular}, {auriculoventricular}]
atrioventricular \atrioventricular\ adj. 1. 1 relating to or affecting the atria and ventricles of the heart. atrioventricular disease Syn: auriculoventricular. [WordNet 1.5]