Search Result for "nightfall": 
Wordnet 3.0

NOUN (1)

1. the time of day immediately following sunset;
- Example: "he loved the twilight"
- Example: "they finished before the fall of night"
[syn: twilight, dusk, gloaming, gloam, nightfall, evenfall, fall, crepuscule, crepuscle]



The Collaborative International Dictionary of English v.0.48:

Nightfall \Night"fall`\, n.
   The close of the day; the arrival of the night; the period at
   and just after dusk. --Swift.
   [1913 Webster +PJC]


WordNet (r) 3.0 (2006):

nightfall
    n 1: the time of day immediately following sunset; "he loved the
         twilight"; "they finished before the fall of night" [syn:
         twilight, dusk, gloaming, gloam, nightfall,
         evenfall, fall, crepuscule, crepuscle]