The Collaborative International Dictionary of English v.0.48:

Dash \Dash\ (d[a^]sh), v. t. [imp. & p. p. Dashed; p. pr. &
   vb. n. Dashing.] [Of. Scand. origin; cf. Dan daske to beat,
   strike, Sw. & Icel. daska, Dan. & Sw. dask blow.]
   1. To throw with violence or haste; to cause to strike
      violently or hastily; -- often used with against.
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            If you dash a stone against a stone in the botton of
            the water, it maketh a sound.         --Bacon.
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   2. To break, as by throwing or by collision; to shatter; to
      crust; to frustrate; to ruin.
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            Thou shalt dash them in pieces like a potter's
            vessel.                               --Ps. ii. 9.
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            A brave vessel, . . .
            Dashed all to pieces.                 --Shak.
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            To perplex and dash
            Maturest counsels.                    --Milton.
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   3. To put to shame; to confound; to confuse; to abash; to
      depress. --South.
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            Dash the proud gamester in his gilded car. --Pope.
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   4. To throw in or on in a rapid, careless manner; to mix,
      reduce, or adulterate, by throwing in something of an
      inferior quality; to overspread partially; to bespatter;
      to touch here and there; as, to dash wine with water; to
      dash paint upon a picture.
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            I take care to dash the character with such
            particular circumstance as may prevent ill-natured
            applications.                         --Addison.
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            The very source and fount of day
            Is dashed with wandering isles of night. --Tennyson.
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   5. To form or sketch rapidly or carelessly; to execute
      rapidly, or with careless haste; -- with off; as, to dash
      off a review or sermon.
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   6. To erase by a stroke; to strike out; knock out; -- with
      out; as, to dash out a word.
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WordNet (r) 3.0 (2006):

dashed
    adj 1: having gaps or spaces; "sign on the dotted line" [syn:
           dashed, dotted]