1. coverings for the face or part of the face, worn for protection, disguise, or entertainment
2. protective coverings worn over the nose and mouth to prevent the spread of germs
Usage: medical

1. covers or conceals something
2. covers the face with a mask

Examples

• The actors wore colorful masks during the carnival parade.
• Hospital staff must wear surgical masks in patient areas.
• Halloween masks filled the store shelves in October.
• The strong perfume masks the unpleasant odor.
• She masks her nervousness with confident behavior.
• The robber masks his face before entering the bank.
• Traditional Japanese theater uses elaborate masks for different characters.