mask
1. mask
A thing that one wears over one's face, made with paper, wood, clay, etc., to conceal or adorn oneself.
2. mask
A thing that covers one's nose and mouth to keep off germs, dust, cold air, etc.
3. face; visage; countenance
Appearance or facial features.
4. mask
A protective covering worn over the face to shield it from sparks in welding.
5. mask
A protective covering worn over the face to protect eyes, nose, or respiratory organs from poisonous gas or germs, etc.
6. mask
Protective covering worn over the face when playing a sport such as baseball, fencing, boxing, etc.
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