from Wiktionary, Creative Commons Attribution/Share-Alike License
- 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.
Originated 1150–1200 from German and Middle High German kaiser, from Old High German keisar, from Latin Caesar (emperor). (Wiktionary)