'Masquerader' definitions:

Definition of 'masquerader'

From: WordNet
noun
A participant in a masquerade [syn: masquerader, masker, masquer]

Definition of 'Masquerader'

From: GCIDE
  • Masquerader \Mas`quer*ad"er\, n. One who masquerades; a person wearing a mask; one disguised. [1913 Webster]