1. Plural of hebdomad; groups or sets of seven, especially seven days or a week.
Usage: formal; rare; often used in religious or theological contexts
2. In Christian theology, a period of seven years or a prophetic period of seven.
Usage: theological; archaic

Examples

• The calendar was divided into hebdomads for organizational purposes.
• Medieval scholars studied the hebdomads mentioned in biblical prophecy.
• The monastery observed its duties in hebdomads throughout the year.
• Ancient texts referenced hebdomads as sacred cycles of time.
• The priest explained the significance of the hebdomads in the liturgical calendar.