седми́ца

rare #53188nounfeminineinanimatecountable

1.
week, seven-day periodreligion
Стра́стная седми́ца начина́ется в воскресе́нье.
Holy Week begins on Sunday.
Archaic and Church Slavonic; in modern Russian only in religious contexts (e.g. Страстная седмица 'Holy Week').

Examples

Каждую седмицу он ходит в церковь.
He goes to church every week.
Мы встретились в конце седмицы.
We met at the end of the week.
Прошла ровно одна седмица с той встречи.
Exactly one week had passed since that meeting.