|1.||[ noun ] the time after sunset and before sunrise while it is dark outside|
|Related terms:||day time_period wedding_night weeknight day midnight lights-out late-night_hour small_hours evening|
|2.||[ adjective ] happening during or appropriate to the night|
"nighttime attire" "the cat's nighttime prowls"
|Related terms:||daytime nightly nocturnal nocturnal|