The Collaborative International Dictionary of English v.0.48:

Occident \Oc"ci*dent\, n. [F., fr. L. occidens, occidentis, fr.
   occidents, p. pr. of occidere to fall or go down. See
   Occasion.]
   The part of the horizon where the sun last appears in the
   evening; that part of the earth towards the sunset; the west;
   -- opposed to orient. Specifically, in former times, Europe
   as opposed to Asia; now, also, the Western hemisphere.
   --Chaucer.
   [1913 Webster]

         I may wander from east to occident.      --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Occident
    n 1: the countries of (originally) Europe and (now including)
         North America and South America [syn: West, Occident]
    2: the hemisphere that includes North America and South America
       [syn: western hemisphere, occident, New World]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "Occident":
   Africa, America, Antipodes, Asia, Asia Major, Asia Minor,
   Australasia, East, Eastern Hemisphere, Eurasia, Europe, Far East,
   Levant, Middle East, Near East, New World, Oceania, Old World,
   Orient, West, Western Hemisphere, continent, down under, eastland,
   landmass, the old country



The Devil's Dictionary (1881-1906):

OCCIDENT, n.  The part of the world lying west (or east) of the
Orient.  It is largely inhabited by Christians, a powerful subtribe of
the Hypocrites, whose principal industries are murder and cheating,
which they are pleased to call "war" and "commerce."  These, also, are
the principal industries of the Orient.