week week /ˈwiːk/

noun

1. () Any period of seven consecutive days  ( hebdomad , week )
   any period of seven consecutive days
    It rained for a week
   it rained for a week
   
2. () Hours or days of work in a calendar week  ( working week [British] , workweek [ N. American] , week )
   hours or days of work in a calendar week
    They worked a 40-hour week
   they worked a 40-hour week
   
3. () A period of seven consecutive days starting on Sunday  ( calendar week , week )
   a period of seven consecutive days starting on Sunday
    A week is a period of seven days
   A week is a period of seven days