What does "masked" mean?

Masked: (Bot.) Same as Personate.

Additional senses

  1. 2.(Zoöl.) Having the anterior part of the head differing decidedly in color from the rest of the plumage; -- said of birds. 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 (Zoöl.), a European crab (Corystes cassivelaunus) with markings on the carapace somewhat resembling a human face. -- Masked pig (Zoöl.), a Japanese domestic hog (Sus pliciceps). Its face is deeply furrowed.

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