As a Noun: 1. The period of seven days before the time of speaking. 2. A period of seven days before another day already specified in the past or future. As Modifier: 1. Used at the beginning or end of a sentence or immediately next to a verb to mean that the action took place sometime during the previous seven days from the day of speaking. English = during the past week, during the past seven days. 2. Used at the beginning or end of a sentence or immediately next to a verb to mean that the action took place sometime during the seven days before another day already identified in the past or future. English = during the previous seven days.