Webster's Revised Unabridged Dictionary · 1913

Mazer

Mazer , noun

[Old English maser, akin to OD. maser an excrescence on a maple tree, Old High German masar, German maser spot, Icelandic mosurr maple.]

A large drinking bowl; -- originally made of maple. [Obsolete]
Their brimful mazers to the feasting bring. — Drayton