What is the meaning of Sennight?

  1. A period of seven consecutive days and nights; a week.

    A period of seven consecutive days and nights; a week.

    Preceded by a specified day such as Sunday, today, or yesterday: a week from (either before or after) the specified day.

    Preceded by a specified day and come: a week after the specified day.

    Preceded by a specified day and gone or was: a week before the specified day.

    Source: wiktionary.org