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Webster 1913 Edition

Noun.

[See

A mask; a visor.

[Archaic]

“A grotesque vizard.”

Sir W. Scott.

To mislead and betray them under the

vizard

of law.

Milton.

Noun.

a mask. [See Visor.]

Verb.

To mask.

vizard ‎(plural vizards)

(archaic) A mask worn to disguise or protect the face.

A grotesque vizard. -Sir W. Scott

There, then, that vizard, that superfluous case, that hid the worse and show'd the better face.-- Shakespeare, Love's Labors Lost V.ii.387
A pretense
To mislead and betray them under the vizard of law. - John Milton