An Anglo-Saxon midwinter feast recorded by Bede, or a modern version of this festival celebrated by some Heathens.

For the period of an entire night.

A school, typically used for the purpose of continuing education with classes held predominantly in the evening to accommodate students with typical day shift work schedules.

Alternative form of watchnight.

A farewell said in the evening or before going to sleep. / (colloquial, dated) Expressing incredulity.

(obsolete) A loose robe worn as a nightgown.

Lasting throughout the whole night (or most of it)

(literally) An owl (order Strigiformes) that is nocturnal. / (idiomatic) One who goes to bed late, or stays up late at night or in the early hours of the morning.

(UK) Synonym of Guy Fawkes Night

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