Whitewasher

white·wash  (hwtwsh, -wôsh, wt-)

n.

1. A mixture of lime and water, often with whiting, size, or glue added, that is used to whiten walls, fences, or other structures.

2. Concealment or palliation of flaws or failures.

3. A defeat in a game in which the loser scores no points.

tr.v. white·washed, white·wash·ing, white·wash·es

1. To paint or coat with or as if with whitewash.

2. To conceal or gloss over (wrongdoing, for example). See Synonyms at palliate.

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whitewasher n.