The Collaborative International Dictionary of English v.0.48:

West \West\, n. [AS. west, adv.; akin to D. west, G. west,
   westen, OHG. westan, Icel. vestr, Sw. vest, vester, vestan,
   Dan. vest, vesten, and perhaps to L. vesper evening, Gr. ?.
   ????. Cf. Vesper, Visigoth.]
   [1913 Webster]
   1. The point in the heavens where the sun is seen to set at
      the equinox; or, the corresponding point on the earth;
      that one of the four cardinal points of the compass which
      is in a direction at right angles to that of north and
      south, and on the left hand of a person facing north; the
      point directly opposite to east.
      [1913 Webster]

            And fresh from the west is the free wind's breath.
                                                  --Bryant.
      [1913 Webster]

   2. A country, or region of country, which, with regard to
      some other country or region, is situated in the direction
      toward the west.
      [1913 Webster]

   3. Specifically:
      (a) The Westen hemisphere, or the New World so called, it
          having been discovered by sailing westward from
          Europe; the Occident.
      (b) (U. S. Hist. & Geog.) Formerly, that part of the
          United States west of the Alleghany mountains; now,
          commonly, the whole region west of the Mississippi
          river; esp., that part which is north of the Indian
          Territory, New Mexico, etc. Usually with the definite
          article.
          [1913 Webster]

   West by north, West by south, according to the notation
      of the mariner's compass, that point which lies 111/4[deg]
      to the north or south, respectively, of the point due
      west.

   West northwest, West southwest, that point which lies
      221/2[deg] to the north or south of west, or halfway
      between west and northwest or southwest, respectively. See
      Illust. of Compass.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

West \West\, a.
   1. Lying toward the west; situated at the west, or in a
      western direction from the point of observation or
      reckoning; proceeding toward the west, or coming from the
      west; as, a west course is one toward the west; an east
      and west line; a west wind blows from the west.
      [1913 Webster]

            This shall be your west border.       --Num. xxxiv.
                                                  6.
      [1913 Webster]

   2. (Eccl.) Designating, or situated in, that part of a church
      which is opposite to, and farthest from, the east, or the
      part containing the chancel and choir.
      [Webster 1913 Suppl.]

   West end, the fashionable part of London, commencing from
      the east, at Charing Cross.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

West \West\, adv. [AS. west.]
   Westward.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

West \West\, v. i.
   [1913 Webster]
   1. To pass to the west; to set, as the sun. [Obs.] "The hot
      sun gan to west." --Chaucer.
      [1913 Webster]

   2. To turn or move toward the west; to veer from the north or
      south toward the west.
      [1913 Webster]

WordNet (r) 3.0 (2006):

west
    adv 1: to, toward, or in the west; "we moved west to Arizona";
           "situated west of Boston"
    adj 1: situated in or facing or moving toward the west [ant:
           east]
    n 1: the countries of (originally) Europe and (now including)
         North America and South America [syn: West, Occident]
    2: the cardinal compass point that is a 270 degrees [syn:
       west, due west, westward, W]
    3: the region of the United States lying to the west of the
       Mississippi River [syn: West, western United States]
    4: the direction corresponding to the westward cardinal compass
       point
    5: British writer (born in Ireland) (1892-1983) [syn: West,
       Rebecca West, Dame Rebecca West, Cicily Isabel
       Fairfield]
    6: United States film actress (1892-1980) [syn: West, Mae
       West]
    7: English painter (born in America) who became the second
       president of the Royal Academy (1738-1820) [syn: West,
       Benjamin West]
    8: a location in the western part of a country, region, or city