mask

v. cover; disguise, camouflage, hide, conceal; protect by covering; wear a mask

n. masque, facial disguise; disguise; total or partial facial covering for protection; excuse

A mask is an artefact normally worn on the face, typically for protection, concealment, performance, or amusement. Masks have been used since antiquity for both ceremonial and practical purposes. They are usually, but not always, worn on the face, although they may also be positioned for effect elsewhere in relation to the wearer's own head.
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M.A.S.K. was an animated television series directed by three uncredited Japanese studios, KK C&D Asia, Studio World, Ashi Production, and produced by the French-American DIC Enterprises, Inc (Jean Chalopin & Andy Heyward) and also the toyline of the same name sold by Kenner.
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Mask 1. a covering or appliance for shading, protecting, or medicating the face. 2. to cover or conceal. 3. [more]Mask - Community and Resources

Noun
1. a covering to disguise or conceal the face
(hypernym) covering
(hyponym) domino, half mask, eye mask
2. activity that tries to conceal something; "no mask could conceal his ignorance"; "they moved in under a mask of friendship"
(hypernym) concealment, concealing, hiding
3. a party of guests wearing costumes and masks
(synonym) masquerade, masque
(hypernym) party
(hyponym) masked ball, masquerade ball, fancy-dress ball
4. a protective covering worn over the face
(hypernym) protective covering, protective cover, protection
(hyponym) face mask
Verb
1. hide under a false appearance; "He masked his disappointment"
(synonym) dissemble, cloak
(hypernym) disguise
2. put a mask on or cover with a mask; "Mask the children for Halloween"
(antonym) unmask
(hypernym) cover
3. cover with a sauce; "mask the meat"
(hypernym) cover
(entail) cook
(classification) cooking, cookery, preparation
4. shield from light
(synonym) block out
(hypernym) cover
(classification) photography, picture taking

(v. t.)
To disguise; to cover; to hide.
  

(v. t.)
To cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor.
  

(v. t.)
To cover or keep in check; as, to mask a body of troops or a fortess by a superior force, while some hostile evolution is being carried out.
  

(v. t.)
To conceal; also, to intervene in the line of.
  

(v. i.)
To wear a mask; to be disguised in any way.
  

(v. i.)
To take part as a masker in a masquerade.
  

(n.)
The lower lip of the larva of a dragon fly, modified so as to form a prehensile organ.
  

(n.)
That which disguises; a pretext or subterfuge.
  

(n.)
In a permanent fortification, a redoubt which protects the caponiere.
  

(n.)
A screen for a battery.
  

(n.)
A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like; -- called also mascaron.
  

(n.)
A festive entertainment of dancing or other diversions, where all wear masks; a masquerade; hence, a revel; a frolic; a delusive show.
  

(n.)
A dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.
  

(n.)
A cover, or partial cover, for the face, used for disguise or protection; as, a dancer's mask; a fencer's mask; a ball player's mask.