tricuspid
/traɪˈkʌspɪd/adjective
1
- having three cusps or points, in particular三尖的, 尤指：
1.1
- denoting a tooth with three cusps or points三尖牙的。
1.2
- denoting a valve formed of three triangular segments, particularly that between the right atrium and ventricle of the heart（心脏）三尖瓣的。
2
- attrib. of or relating to the tricuspid valve（与）三尖瓣（有关）的：
tricuspid atresia.
三尖瓣闭锁。
词源
late 17th cent.: from TRI- 'three' + Latin cuspis, cuspid- 'cusp'.