The Collaborative International Dictionary of English v.0.48:

Wed \Wed\ (w[e^]d), n. [AS. wedd; akin to OFries. wed, OD.
   wedde, OHG, wetti, G. wette a wager, Icel. ve[eth] a pledge,
   Sw. vad a wager, an appeal, Goth. wadi a pledge, Lith.
   vad[*u]ti to redeem (a pledge), LL. vadium, L. vas, vadis,
   bail, security, vadimonium security, and Gr. ?, ? a prize.
   Cf. Athlete, Gage a pledge, Wage.]
   A pledge; a pawn. [Obs.] --Gower. Piers Plowman.
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         Let him be ware, his neck lieth to wed [i. e., for a
         security].                               --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Wed \Wed\, v. i.
   To contact matrimony; to marry. "When I shall wed." --Shak.
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The Collaborative International Dictionary of English v.0.48:

Wed \Wed\, v. t. [imp. Wedded; p. p. Wedded or Wed; p. pr.
   & vb. n. Wedding.] [OE. wedden, AS. weddian to covenant,
   promise, to wed, marry; akin to OFries. weddia to promise, D.
   wedden to wager, to bet, G. wetten, Icel. ve[eth]ja, Dan.
   vedde, Sw. v[aum]dja to appeal, Goth. gawadj[=o]n to betroth.
   See Wed, n.]
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   1. To take for husband or for wife by a formal ceremony; to
      marry; to espouse.
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            With this ring I thee wed.            --Bk. of Com.
                                                  Prayer.
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            I saw thee first, and wedded thee.    --Milton.
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   2. To join in marriage; to give in wedlock.
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            And Adam, wedded to another Eve,
            Shall live with her.                  --Milton.
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   3. Fig.: To unite as if by the affections or the bond of
      marriage; to attach firmly or indissolubly.
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            Thou art wedded to calamity.          --Shak.
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            Men are wedded to their lusts.        --Tillotson.
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            [Flowers] are wedded thus, like beauty to old age.
                                                  --Cowper.
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   4. To take to one's self and support; to espouse. [Obs.]
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            They positively and concernedly wedded his cause.
                                                  --Clarendon.
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WordNet (r) 3.0 (2006):

wed
    adj 1: having been taken in marriage [syn: wed, wedded]
    n 1: the fourth day of the week; the third working day [syn:
         Wednesday, Midweek, Wed]
    v 1: take in marriage [syn: marry, get married, wed,
         conjoin, hook up with, get hitched with, espouse]
    2: perform a marriage ceremony; "The minister married us on
       Saturday"; "We were wed the following week"; "The couple got
       spliced on Hawaii" [syn: marry, wed, tie, splice]