Webster's Revised Unabridged Dictionary (1913 + 1828)
Displaying 1 result(s) from the 1828 edition:
SENNIGHT, n. sen''nit. [contracted from sevennight, as fortnight from fourteennight.] The space of seven nights and days; a week. The court will be held this sennight, that is, a week from this day; or the court will be held next Tuesday sennight, a week from next Tuesday.