one of a group of masked performers in folk play or mime
2.
a mime artist
3. humorous or derogatory
an actor
Word origin
C15: from Old French momeur, from momer to mime; related to momon mask
mummer in American English
(ˈmʌmər)
noun
1.
a person who wears a mask or disguise for fun; specif., in England, any of the masked and costumed persons who travel about, as at Christmastime, acting out short pantomimes