The Collaborative International Dictionary of English v.0.48:

Mazard \Maz"ard\, v. t.,
   To knock on the head. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mazard \Maz"ard\, n. [Cf. F. merise a wild cherry.] (Bot.)
   A kind of small black cherry.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mazard \Maz"ard\, n. [Prob. fr. mazer, the head being compared
   to a large goblet.]
   The jaw; the head or skull. [Obs.] --Shak.
   [1913 Webster]