1.Definition: a covering to disguise or conceal the face

Category: Objects

2.Definition: a party of guests wearing costumes and masks

Related Noun(s):masque, masquerade

Category: General

3.Definition: a protective covering worn over the face

Category: Objects

4.Definition: activity that tries to conceal something

"No mask could conceal his ignorance", "They moved in under a mask of friendship"

Category: General