1. Any period of seven consecutive days
   "it rained for a week";
   - hebdomad [rare]
    
2. A period of seven consecutive days (usually reckoned to be from Sunday to Saturday, or from Monday to Sunday)
   "The project is due at the end of the calendar week";
   - calendar week
    
3. Hours or days of work in a calendar week
   "they worked a 40-hour week";
   - workweek [N. Amer], working week [Brit]

Sounds like: ways, weighs

Derived forms: weeks

Type of: period, period of time, time period, time span, work time

Part of: calendar month, month

Encyclopedia: Week, Somerset