noun
Iced black coffee laced with brandy or rum, traditionally served in an earthenware goblet and drunk through a straw.
Origin
Late 19th century; earliest use found in Appletons' Journal. From French mazagran from Mazagran, the name of a village in Algeria (in the vicinity of the coastal town of Mostaganem) in which a memorable siege was upheld by the French garrison in 1840.
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