The Collaborative International Dictionary of English v.0.48:

Dissolve \Dis*solve"\, v. t. [imp. & p. p. Dissolved; p. pr. &
   vb. n. Dissolving.] [L. dissolvere, dissolutum; dis- +
   solvere to loose, free. See Solve, and cf. Dissolute.]
   1. To separate into competent parts; to disorganize; to break
      up; hence, to bring to an end by separating the parts,
      sundering a relation, etc.; to terminate; to destroy; to
      deprive of force; as, to dissolve a partnership; to
      dissolve Parliament.
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            Lest his ungoverned rage dissolve the life. --Shak.
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   2. To break the continuity of; to disconnect; to disunite; to
      sunder; to loosen; to undo; to separate.
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            Nothing can dissolve us.              --Shak.
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            Down fell the duke, his joints dissolved asunder.
                                                  --Fairfax.
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            For one people to dissolve the political bands which
            have connected them with another.     --The
                                                  Declaration of
                                                  Independence.
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   3. To convert into a liquid by means of heat, moisture,
      etc.,; to melt; to liquefy; to soften.
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            As if the world were all dissolved to tears. --Shak.
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   4. To solve; to clear up; to resolve. "Dissolved the
      mystery." --Tennyson.
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            Make interpretations and dissolve doubts. --Dan. v.
                                                  16.
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   5. To relax by pleasure; to make powerless.
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            Angels dissolved in hallelujahs lie.  --Dryden.
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   6. (Law) To annul; to rescind; to discharge or release; as,
      to dissolve an injunction.

   Syn: See Adjourn.
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The Collaborative International Dictionary of English v.0.48:

Dissolve \Dis*solve"\, v. i.
   1. To waste away; to be dissipated; to be decomposed or
      broken up.
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   2. To become fluid; to be melted; to be liquefied.
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            A figure
            Trenched in ice, which with an hour's heat
            Dissolves to water, and doth lose his form. --Shak.
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   3. To fade away; to fall to nothing; to lose power.
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            The charm dissolves apace.            --Shak.
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WordNet (r) 3.0 (2006):

dissolve
    n 1: (film) a gradual transition from one scene to the next; the
         next scene is gradually superimposed as the former scene
         fades out
    v 1: become weaker; "The sound faded out" [syn: dissolve,
         fade out, fade away]
    2: cause to go into a solution; "The recipe says that we should
       dissolve a cup of sugar in two cups of water" [syn:
       dissolve, resolve, break up]
    3: come to an end; "Their marriage dissolved"; "The tobacco
       monopoly broke up" [syn: dissolve, break up]
    4: stop functioning or cohering as a unit; "The political wing
       of the party dissolved after much internal fighting" [syn:
       disband, dissolve]
    5: cause to lose control emotionally; "The news dissolved her
       into tears"
    6: lose control emotionally; "She dissolved into tears when she
       heard that she had lost all her savings in the pyramid
       scheme"
    7: cause to fade away; "dissolve a shot or a picture"
    8: pass into a solution; "The sugar quickly dissolved in the
       coffee"
    9: become or cause to become soft or liquid; "The sun melted the
       ice"; "the ice thawed"; "the ice cream melted"; "The heat
       melted the wax"; "The giant iceberg dissolved over the years
       during the global warming phase"; "dethaw the meat" [syn:
       dissolve, thaw, unfreeze, unthaw, dethaw, melt]
    10: bring the association of to an end or cause to break up;
        "The decree officially dissolved the marriage"; "the judge
        dissolved the tobacco company" [syn: dissolve, break up]
    11: declare void; "The President dissolved the parliament and
        called for new elections" [syn: dissolve, dismiss]