(blot) noun
1. A spot or stain, as of ink.
2. Reproach; blemish; a stain on a reputation.
3. An erasure. See synonyms under FLEMISH, STAIN.
—v. blot·ted, blot·ting v.t.
1. To spot, as with ink; stain.
2. To disgrace; sully.
3. To mark over or obliterate, as writing: often with out.
4. To dry with blotting paper.
5. To obscure; darken: usually with out.
6. To paint roughly; daub.
—v.i.
7. To spread in a blot or blots, as ink.
8. To become blotted; acquire spots.
9. To absorb: This paper blots well. [ME blotte; origin uncertain]

(blot) noun
1. In backgammon, an exposed man liable to be forfeited.
2. Any exposed point; a weak spot. [Origin uncertain]