mummer Definition

mummer
noun

1a. historical
An actor in a traditional mimed folk play, usually performed at Christmas;
1b. historical
In medieval England: one of a group of masked actors who visited houses during winter festivals, distributing gifts and performing dances, etc.
2. A disguised child taking part in traditional merrymaking during religious festivals, especially at Hallowe'en; a guiser.

Derivative: mumming
noun

Etymology: 15c: from French momeur, from momer to mime.