• Webster's Revised Unabridged Dictionary
    • n Mazard (Bot) A kind of small black cherry.
    • n Mazard The jaw; the head or skull.
    • v. t Mazard To knock on the head.
    • ***
Century Dictionary and Cyclopedia
    • n mazard A bowl; a mazer.
    • n mazard The head; the skull.
    • n mazard A wild cherry of Europe. See cherry, n., 1, and gean.
    • mazard To kill or stun by a blow on the skull; brain.
    • ***
Chambers's Twentieth Century Dictionary
    • n Mazard maz′ard (Shak.) a head or skull: a wild European cherry.
    • ***


Webster's Revised Unabridged Dictionary
Prob. fr. mazer, the head being compared to a large goblet
Chambers's Twentieth Century Dictionary
Prob. from mazer, from the likeness of the skull to a goblet.


In literature:

Let me go, sir, or I'll knock you o'er the mazard.
"Othello, the Moor of Venice" by William Shakespeare
Mazard declined to sail uninsured unless we would take the risk.
"Left on Labrador" by Charles Asbury Stephens
But, bless you, he was glum about the mazard, he was.
"My Friend Smith" by Talbot Baines Reed