Week-end, n. The end of the week, usually comprising the period from Friday evening to Monday morning, observed commonly as a period of respite from work or school; as, to visit one for a week-end; also, a house party during a week-end.  Contrasted to work days.
  Note: Where work days continue throught Saturday morning, the weekend starts on Saturday at noon.
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  weekend
       n : a time period usually extending from Friday night through
           Sunday; more loosely defined as any period of successive
           days including one and only one Sunday
       v : spend the weekend