[1] : The Collaborative International Dictionary of English v.0.48

blot \blot\, v. t. imp.  p. p. blotted; p. pr.  vb. n.
   blotting. cf. dan. plette. see 3d blot.
   1913 webster
   1. to spot, stain, or bespatter, as with ink.
      1913 webster

            the brief was writ and blotted all with gore.
                                                  --gascoigne.
      1913 webster

   2. to impair; to damage; to mar; to soil.
      1913 webster

            it blots thy beauty, as frosts do bite the meads.
                                                  --shak.
      1913 webster

   3. to stain with infamy; to disgrace.
      1913 webster

            blot not thy innocence with guiltless blood. --rowe.
      1913 webster

   4. to obliterate, as writing with ink; to cancel; to efface;
      -- generally with out; as, to blot out a word or a
      sentence. often figuratively; as, to blot out offenses.
      1913 webster

            one act like this blots out a thousand crimes.
                                                  --dryden.
      1913 webster

   5. to obscure; to eclipse; to shadow.
      1913 webster

            he sung how earth blots the moon's gilded wane.
                                                  --cowley.
      1913 webster

   6. to dry, as writing, with blotting paper.
      1913 webster

   syn: to obliterate; expunge; erase; efface; cancel; tarnish;
        disgrace; blur; sully; smear; smutch.
        1913 webster
see also:
blotted blotting blot 

[2] : WordNet (r) 2.0

blot
     n 1: a blemish made by dirt; "he had a smudge on his cheek" syn:
           smudge, spot, daub, smear, smirch, slur
     2: an act that brings discredit to the person who does it; "he
        made a huge blot on his copybook" syn: smear, smirch,
         spot, stain
     v 1: dry ink with blotting paper
     2: make a spot or mark onto; "the wine spotted the tablecloth"
        syn: spot, fleck, blob
     also: blotting, blotted
see also:
smudge spot daub smear smirch slur 
stain fleck blob blotting blotted 

[3] : WordNet (r) 2.0

blotting
     see blot
see also:
blot 

Blotting >> B Words
Blotting, definition of term: Blotting
blotting_pag1.html