cover up

Short definition from Wiktionary

Verb

1. 1
   To conceal or disguise.
2. 2
   To clothe.
3. 3
   To put covers over oneself in bed.

Noun

1. 1
   An attempt to conceal or disguise something, especially a wrongdoing or a mistake.
2. 2
   An item of clothing to be worn over a swimsuit while not in the water.