From WordNet (r) 3.0 (2006) [wn]:
sunrise
adj 1: of an industry or technology; new and developing; "high-
technology sunrise industries"
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]
2: atmospheric phenomena accompanying the daily appearance of
the sun
3: the daily event of the sun rising above the horizon
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Sunrise \Sun"rise`\, Sunrising \Sun"ris`ing\, n.
1. The first appearance of the sun above the horizon in the
morning; more generally, the time of such appearance,
whether in fair or cloudy weather; as, to begin work at
sunrise. "The tide of sunrise swells." --Keble.
[1913 Webster]
2. Hence, the region where the sun rises; the east.
[1913 Webster]
Which were beyond Jordan toward the sunrising.
--Deut. iv. 47
(Rev. Ver.)
[1913 Webster]
Full hot and fast the Saxon rides, with rein of
travel slack,
And, bending o'ev his saddle, leaves the sunrise at
his back. --Whittier.
[1913 Webster]