sunup

from WordNet (r) 3.0 (2006)

sunup
    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

Sunup \Sun"up`\, n.
   Sunrise. [Local, U.S.]
   [1913 Webster]

         Such a horse as that might get over a good deal of
         ground atwixt sunup and sundown.         --Cooper.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

21 Moby Thesaurus words for "sunup":
      aurora, break of day, brightening, chanticleer, cockcrow,
      cocklight, crack of dawn, dawn, dawning, day-peep, daybreak,
      daylight, dayspring, first brightening, light, morn, morning,
      peep of day, prime, sunrise, vestibule of Day

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