Any of various medium-sized nocturnal birds of the family Caprimulgidae, that feed predominantly on moths and other large flying insects.

The hours of darkness between sunset and sunrise; the night.

Pertaining to nighttime; appropriate to the night. / Happening during the night.

A public or private establishment that is open late at night to provide entertainment, food, drink, music and/or dancing. / (Philippines) A strip club.

To visit a nightclub (or nightclubs) for entertainment.

(Australia, slang, simile) Making a rapid departure; away. / (Australia, horse racing) Moving quickly and resolutely.

Nocturnal activities, especially visiting nightclubs.

plural of nightcap

Third-person singular simple present indicative form of nightcap

(medicine) An isolated fracture of the ulna due to direct trauma to the forearm. The name refers to a situation in which a person raises an arm and exposes the medial aspect of the forearm in anticipation of an overhead blow.