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"

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.
      [1913 Webster]

            They must all be masked and vizarded. --Shak.
      [1913 Webster]

   2. To disguise; to cover; to hide.
      [1913 Webster]

            Masking the business from the common eye. --Shak.
      [1913 Webster]

   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.
          [1913 Webster]

Masked \Masked\, a.
   1. Wearing a mask or masks; characterized by masks;
      concealed; hidden.
      [1913 Webster]

   2. (Bot.) Same as Personate.
      [1913 Webster]

   3. (Zool.) Having the anterior part of the head differing
      decidedly in color from the rest of the plumage; -- said
      of birds.
      [1913 Webster]

   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.
      [1913 Webster]