(Scotland, Ireland, dated) Halloween

plural of night-cellar

(historical) A cellar open to the public at night for the purchase of food, drink, and entertainment, primarily in London, England in the 18th century.

plural of night rider

During the night of the day after the present day.

The night of the day after the present day.

(often used adverbially) The evening or night immediately before the present.

during the previous day’s nighttime; during the night before today

(idiomatic) Middle of the night.

(obsolete) A loose robe worn as a nightgown.