Sep·tu·a·ge·si·ma /ˌsɛptəwəˈʤɛsəmə, ˈʤezə-/
  第三個週日
  Sep·tu·a·ges·i·ma n.  Eccl. The third Sunday before Lent; -- so called because it is about seventy days before Easter.
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  Septuagesima
       n : the 3rd Sunday before Lent (or the 9th before Easter) [syn:
           Septuagesima Sunday]