Search Result for "nighttime": 
Wordnet 3.0

NOUN (1)

1. the time after sunset and before sunrise while it is dark outside;
[syn: night, nighttime, dark]


The Collaborative International Dictionary of English v.0.48:

Nighttime \Night"time`\, n. The time from dusk to dawn; -- opposed to daytime. [1913 Webster]
WordNet (r) 3.0 (2006):

nighttime n 1: the time after sunset and before sunrise while it is dark outside [syn: night, nighttime, dark] [ant: day, daylight, daytime]