BLOT (3)

Blot, n. [[Cf. Icel. blettr, Dan. plet.]] 1. 1. A spot or stain, as of ink on paper; a blur. “Inky blots and rotten parchment bonds.” Shak.
2. 2. An obliteration of something written or printed; an erasure. Dryden.
3. 3. A spot on reputation; a stain; a disgrace; a reproach; a blemish.
This deadly blot in thy digressing son. Shak.