n. An emperor of a German-speaking country, particularly the Holy Roman Empire (962-1806), the Austrian Empire (1806-1918), and the German Empire (1871-1918).
n. a person who exercises or tries to exercise absolute authority; autocrat.
Word Usage
"An effigy of the kaiser is washed down Wall Street with a fire hose; confetti pours down; 800 Barnard girls snake-dance on Morningside Heights, and a coffin made of soapboxes is paraded down Madison, with the kaiser symbolically resting in pieces within."