tricuspid Syllabification: (tri·cus·pid)Pronunciation: /trīˈkəspid/Definition of tricuspid adjective 1having three cusps or points, in particular. denoting a tooth with three cusps or points. denoting or relating to a valve formed of three triangular segments, particularly that between the right atrium and ventricle of the heart. Origin: late 17th century: from tri- 'three' + Latin cuspis, cuspid- 'cusp'tricuspid in other Oxford dictionaries Definition of tricuspid in the British & World English dictionary
