| first night |
the opening performance of a play, opera, movie, or the like, or the night on which this occurs. |
| fly-by-night |
irresponsible or unreliable, esp. in business dealings. [4 definitions] |
| good night |
used as an expression of farewell at night. |
| night and day |
without rest or interruption; unceasingly or seemingly unceasingly. |
| night blindness |
abnormally weak vision in dim light or darkness, caused by a deficiency of vitamin A. |
| night crawler |
any of various large earthworms that surface at night and are commonly used as bait by fishermen. |
| night latch |
a door lock that can be opened by a knob from the inside but that requires a key to open it from the outside. |
| night letter |
a telegram sent overnight, at a lower rate than usual, for delivery the next day. |
| night owl |
(informal) a person who habitually stays up late at night. |
| night school |
a school or classes held in the evening, esp. for students who cannot attend during the day. |
| night soil |
fertilizer composed of human excrement. |
| night table |
a small table or stand kept beside one's bed. |
| night vision |
one's ability to see at night or in low light. |
| night watch |
a watch or guard occurring during the night. [3 definitions] |
| night-blooming cereus |
any of several American cacti bearing large, fragrant flowers that bloom at night. |
| night-light |
a small dim light kept on all night, as near a stairway or in a child's bedroom. |
| one-night stand |
an engagement for a single performance in one place by an entertainer, speaker, or the like. [2 definitions] |
| polar night |
in polar regions, the time of the year when the sun does not rise above the horizon, esp. a period of 24 hours or more when there is no twilight. |
| Walpurgis Night |
the eve of May Day, during which, according to German folklore, witches gathered for a sabbath before the feast of St. Walpurgis on May 1. |
| watch night |
New Year's Eve, or a religious meeting or service held at this time. |