Definition of "facemask"

A covering used to protect or disguise the face.

1. (underwater diving) A full-face diving mask.  examples

2. (medicine) A surgical mask.  examples

3. A mask made of common textiles worn over the mouth and nose, such as a bandana, handkerchief, or scarf.  examples

4. A dust mask.  examples

5. A respirator.  examples

A facial mask (cosmetic application).  examples

(American football, Canadian football) The part of the helmet that directly covers the face, made of one or more plastic-coated metal bars.  examples

(American football, Canadian football) The foul of grasping it during play.  examples