The Collaborative International Dictionary of English v.0.48:

Wan \Wan\, v. i.
   To grow wan; to become pale or sickly in looks. "All his
   visage wanned." --Shak.
   [1913 Webster]

         And ever he mutter'd and madden'd, and ever wann'd with
         despair.                                 --Tennyson.
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The Collaborative International Dictionary of English v.0.48:

Wan \Wan\, obs. imp. of Win.
   Won. --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Wan \Wan\, a. [AS. wann, wonn, wan, won, dark, lurid, livid,
   perhaps originally, worn out by toil, from winnan to labor,
   strive. See Win.]
   Having a pale or sickly hue; languid of look; pale; pallid.
   "Sad to view, his visage pale and wan." --Spenser.
   [1913 Webster]

         My color . . . [is] wan and of a leaden hue. --Chaucer.
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         Why so pale and wan, fond lover?         --Suckling.
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         With the wan moon overhead.              --Longfellow.
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The Collaborative International Dictionary of English v.0.48:

Wan \Wan\, n.
   The quality of being wan; wanness. [R.]
   [1913 Webster]

         Tinged with wan from lack of sleep.      --Tennyson.
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The Collaborative International Dictionary of English v.0.48:

Win \Win\, v. t. [imp. & p. p. Won, Obs. Wan; p. pr. & vb.
   n. Winning.] [OE. winnen, AS. winnan to strive, labor,
   fight, endure; akin to OFries. winna, OS. winnan, D. winnen
   to win, gain, G. gewinnen, OHG. winnan to strive, struggle,
   Icel. vinna to labor, suffer, win, Dan. vinde to win, Sw.
   vinna, Goth. winnan to suffer, Skr. van to wish, get, gain,
   conquer. [root]138. Cf. Venerate, Winsome, Wish,
   Wont, a.]
   [1913 Webster]
   1. To gain by superiority in competition or contest; to
      obtain by victory over competitors or rivals; as, to win
      the prize in a gate; to win money; to win a battle, or to
      win a country. "This city for to win." --Chaucer. "Who
      thus shall Canaan win." --Milton.
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            Thy well-breathed horse
            Impels the flying car, and wins the course.
                                                  --Dryden.
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   2. To allure to kindness; to bring to compliance; to gain or
      obtain, as by solicitation or courtship.
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            Thy virtue wan me; with virtue preserve me. --Sir P.
                                                  Sidney.
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            She is a woman; therefore to be won.  --Shak.
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   3. To gain over to one's side or party; to obtain the favor,
      friendship, or support of; to render friendly or
      approving; as, to win an enemy; to win a jury.
      [1913 Webster]

   4. To come to by toil or effort; to reach; to overtake.
      [Archaic]
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            Even in the porch he him did win.     --Spenser.
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            And when the stony path began,
            By which the naked peak they wan,
            Up flew the snowy ptarmigan.          --Sir W.
                                                  Scott.
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   5. (Mining) To extract, as ore or coal. --Raymond.
      [1913 Webster]

   Syn: To gain; get; procure; earn. See Gain.
        [1913 Webster]

WordNet (r) 3.0 (2006):

wan
    adj 1: (of light) lacking in intensity or brightness; dim or
           feeble; "the pale light of a half moon"; "a pale sun";
           "the late afternoon light coming through the el tracks
           fell in pale oblongs on the street"; "a pallid sky"; "the
           pale (or wan) stars"; "the wan light of dawn" [syn:
           pale, pallid, wan, sick]
    2: abnormally deficient in color as suggesting physical or
       emotional distress; "the pallid face of the invalid"; "her
       wan face suddenly flushed" [syn: pale, pallid, wan]
    3: lacking vitality as from weariness or illness or unhappiness;
       "a wan smile"
    n 1: a computer network that spans a wider area than does a
         local area network [syn: wide area network, WAN]
    v 1: become pale and sickly

Moby Thesaurus II by Grady Ward, 1.0:

143 Moby Thesaurus words for "wan":
   achromatic, achromic, anemic, apathetic, ashen, ashy, benumbed,
   blanch, blanched, blase, bleach, bleach out, bleached, bled white,
   bloodless, blue, bored, cadaverous, change color, chloranemic,
   colorless, corpselike, dead, deadened, deadly, deadly pale,
   deathlike, deathly, deathly pale, debilitated, dim, dimmed, dingy,
   discolored, dopey, dormant, doughy, drab, drawn, droopy, drugged,
   dull, eerie, emasculate, enervated, etiolated, exanimate,
   exsanguinated, exsanguine, exsanguineous, fade, fade out, faded,
   faint, fallow, flat, forceless, ghastly, ghostlike, ghostly, gray,
   grisly, grow pale, gruesome, haggard, heavy, hebetudinous,
   hollow-eyed, hueless, hypochromic, impotent, inanimate,
   ineffective, ineffectual, inert, invertebrate, jaded,
   lackadaisical, lackluster, languid, languorous, leaden, lethargic,
   lifeless, listless, livid, lose color, lumpish, lurid, lusterless,
   macabre, mat, mealy, moribund, mortuary, muddy, neutral, numb,
   pale, pale as death, pale-faced, pallid, pasty, phlegmatic, pooped,
   ravaged, sallow, sated, sickly, sleepy, slow, sluggish, somber,
   somnolent, spineless, stagnant, stagnating, stultified, supine,
   tallow-faced, tired-eyed, tired-faced, tired-looking, toneless,
   torpid, turn pale, turn white, uncanny, uncolored, unearthly,
   vegetable, vegetative, washed-out, waxen, weak, weary,
   weary-looking, weird, whey-faced, white, whiten, world-weary,
   worn



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

WAN
       Wide Area Network


The Free On-line Dictionary of Computing (30 December 2018):

Wide Area Network
WAN

    (WAN) A network, usually constructed with
   serial lines, extending over distances greater than one
   kilometre.

   Compare local area network, metropolitan area network.

   (1994-11-24)