Definition of "Disguise" :

noun: the act of concealing the identity of something by modifying its appearance

"He is a master of disguise."

noun: any attire that modifies the appearance in order to conceal the wearer's identity

noun: an outward semblance that misrepresents the true nature of something

"The theatrical notion of disguise is always associated with catastrophe in his stories."

verb: make unrecognizable

"We disguised our faces before robbing the bank."