cockcrow

from WordNet (r) 3.0 (2006)
cockcrow
    n 1: the first light of day; "we got up before dawn"; "they
         talked until morning" [syn: {dawn}, {dawning}, {morning},
         {aurora}, {first light}, {daybreak}, {break of day}, {break
         of the day}, {dayspring}, {sunrise}, {sunup}, {cockcrow}]
         [ant: {sundown}, {sunset}]
    
from The Collaborative International Dictionary of English v.0.48
Cockcrow \Cock"crow\, Cockcrowing \Cock"crow`ing\, n.
   The time at which cocks first crow; the early morning; the
   first light of day.

   Syn: dawn, dawning, morning, aurora, first light, daybreak,
        break of day, break of the day, dayspring, sunrise,
        sunup.
        [1913 Webster + WordNet 1.5]
    

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