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."