a period of seven successive days, usually understood as beginning with Sunday and ending with Saturday.

a period of seven successive days that begins with or includes an indicated day

the week of June 3; Christmas week.

( often initial capital letter ) a period of seven successive days devoted to a particular celebration, honor, cause, etc.

National Book Week.

the working days or working portion of the seven-day period; workweek

A 35-hour week is now commonplace.

British . seven days before or after a specified day

I shall come Tuesday week. He left yesterday week.

adjective

hebdomadal , weekly

noun

hebdomad