One who wears a mask, especially a participant in a masquerade or masque.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "masker" in a sentence
"Simultaneous masking occurs when a set of sounds are made inaudible by another "masker" set of sounds for the same duration as the original sound."
"'masker' being used sometimes of the players, and sometimes of their disguises."
"In all haste the masker crept out of his disguise, unwilling to abide a third buffet from the lance of the enraged Knight."