The DICT Development Group

  Mask \Mask\, v. t. [imp. & p. p. Masked; p. pr. & vb. n.
     Masking.]
     1. To cover, as the face, by way of concealment or defense
        against injury; to conceal with a mask or visor.
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              They must all be masked and vizarded. --Shak.
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     2. To disguise; to cover; to hide.
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              Masking the business from the common eye. --Shak.
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     3. (Mil.)
        (a) To conceal; also, to intervene in the line of.
        (b) To cover or keep in check; as, to mask a body of
            troops or a fortress by a superior force, while some
            hostile evolution is being carried out.
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  Masked \Masked\, a.
     1. Wearing a mask or masks; characterized by masks;
        concealed; hidden.
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     2. (Bot.) Same as Personate.
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     3. (Zool.) Having the anterior part of the head differing
        decidedly in color from the rest of the plumage; -- said
        of birds.
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     Masked ball, a ball in which the dancers wear masks.
  
     Masked battery (Mil.), a battery so placed as not to be
        seen by an enemy until it opens fire. --H. L. Scott.
  
     Masked crab (Zool.), a European crab ({Corystes
        cassivelaunus) with markings on the carapace somewhat
        resembling a human face.
  
     Masked pig (Zool.), a Japanese domestic hog ({Sus
        pliciceps). Its face is deeply furrowed.
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  masked
      adj 1: having its true character concealed with the intent of
             misleading; "hidden agenda"; "masked threat" [syn:
             cloaked, disguised, masked]
      2: having markings suggestive of a mask; "the masked face of a
         raccoon"

  49 Moby Thesaurus words for "masked":
     armored, camouflaged, cased, ceiled, cloaked, clouded, coated,
     coped, covered, covert, cowled, curtained, disguised, eclipsed,
     encapsulated, encapsuled, encased, enveloped, enwrapped, filmed,
     floored, hooded, housed, in disguise, incog, incognito, loricate,
     loricated, mantled, masquerading, muffled, obscured, occulted,
     packaged, paved, roofed-in, screened, scummed, sheathed, shelled,
     shielded, shrouded, swathed, tented, under cover, veiled, walled,
     walled-in, wrapped