(American football) A penalty in American football where one player grabs the face mask of an opposing player. There are two versions of this penalty: incidental face mask penalty and the more serious personal foul face mask penalty.

(medicine) A bag used to resuscitate a patient by supplying air or oxygen directly to the trachea and into the lungs.

A fallacy of inferring that since one knows (or does not know) something by one description, one must know (or not know) it by another, as in "I know who my father is. I do not know who the masked man is. Therefore, my father is not the masked man."

(colloquial) A mask that covers the lower part of a person's face to prevent biting.

A species of civet, Paguma larvata.

plural of masked palm civet

plural of masked man fallacy

plural of maskful