Found 2 items, similar to nighttime.
English → English (WordNet)
Definition: nighttime
nighttime
adj : happening during or appropriate to the night;
“nighttime
attire”;
“the cat's nighttime prowls” [ant:
daytime]
n : the time after sunset and before sunrise while it is dark
outside [syn:
night,
dark] [ant:
day]
English → English (gcide)
Definition: Nighttime
Nighttime
\Night"time`\, n.
The time from dusk to dawn; -- opposed to
daytime.
[1913 Webster]