tri·cus·pid /(ˌ)traɪˈkʌspəd/
  (a.)有三個尖頭的三尖瓣
  tri·cus·pid /(ˈ)traɪˈkəspəd/ 形容詞
  三尖瓣的,三尖的
  Tri·cus·pid a.
  1. Having three cusps, or points; tricuspidate; as, a tricuspid molar.
  2. Anat. Of or pertaining to the tricuspid valves; as, tricuspid obstruction.
  Tricuspid valve Anat., the valve, consisting of three triangular membranous flaps, at the opening of the right auricle into the right ventricle in the heart of most mammals; -- sometimes called the tricuspid valves, each flap being regarded as a valve.
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  tricuspid
       adj : having three cusps or points (especially a molar tooth);
             "tricuspid molar"; "tricuspid valve" [syn: tricuspidate]