Sun·day /ˈsʌndi, (ˌ)de/
  星期日(a.)星期日的,業餘的,禮拜日的,最好的(vi.)度星期日
  Sun·day n.  The first day of the week, -- consecrated among Christians to rest from secular employments, and to religious worship; the Christian Sabbath; the Lord's Day.
  Advent Sunday, Low Sunday, Passion Sunday, etc. See under Advent, Low, etc.
  Syn: -- See Sabbath.
  Sun·day, a. Belonging to the Christian Sabbath.
  Sunday letter. See Dominical letter, under Dominical.
  Sunday school. See under School.
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  Sunday
       n : first day of the week; observed as a day of rest and worship
           by most Christians [syn: Lord's Day, Dominicus, Sun]
       v : spend Sunday; "We sundayed in the country"