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• kaiser
  kaiser

  noun

  a German emperor.
• Kaiser
  Kaiser

  noun

  Henry J(ohn), 1882–1967, U.S. industrialist.

kaiser

¹ American  

[kahy-zer] / ˈkaɪ zər /

noun

1. a German emperor.

2. an Austrian emperor.

3. History/Historical. a ruler of the Holy Roman Empire.

4. a person who exercises or tries to exercise absolute authority; autocrat.

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Kaiser ² American  

[kahy-zer] / ˈkaɪ zər /

noun

1. Henry J(ohn), 1882–1967, U.S. industrialist.

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Kaiser ¹ British  

/ ˈkaɪzə /

noun

1. any German emperor, esp Wilhelm II (ruled 1888–1918)

2. obsolete any Austro-Hungarian emperor

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Kaiser ² British  

/ ˈkaizər /

noun

1. Georg (ˈɡeːɔrk). 1878–1945, German expressionist dramatist

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Kaiser Cultural  

1. The German word for “emperor.” The emperors of Austria and Germany were called Kaisers. (See Wilhelm II.)

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Other Word Forms

• kaiserdom noun

Etymology

Origin of kaiser

1150–1200; < German ≪ Latin Caesar emperor, special use of proper name ( see Caesar); replacing Middle English keisere, (north) caisere < Old Norse keisari ≪ Latin as above; compare Old English cāsere

Explanation

Historically, a kaiser was a German or Austrian emperor. In North America, it's also a delicious crusty roll. This royal title goes all the way back to the Holy Roman Emperors of the 10th century, who called themselves kaiser, from Caesar, "emperor or ruler," (a reference to Julius Caesar). The term was used throughout the German Empire, until its end in the 20th century. Kaiser rolls resemble crowns and originated in Austria, where they're known as Kaisersemmel. They're named after Austrian Kaiser Franz Joseph I, who ruled from 1848 to 1916.

Example Sentences

While the kaiser could appoint or dismiss government ministers and was “consulted” on important matters, he had little or no control over the daily affairs of state.

From Salon • Mar. 15, 2026

I finally found the BEC of my NYC dreams — the one served at Volunteer Park Cafe, where they make their own kaiser rolls to compensate for our sad regional deficit in that bread category.

From Seattle Times • Sep. 14, 2023

Once the kaiser abdicated, and ink on the armistice dried, worry over Edward’s deployment shifted to the hope of discharge and the anticipation of coming home.

From Slate • May 16, 2020

Smoky’s gives you a choice of a potato or kaiser roll — I suggest the former for its subtle sweetness, which balances the aggressive flavor of the char.

From Washington Post • Sep. 19, 2019

When war was declared, the kaiser addressed the enormous crowd that had gathered beneath his palace balcony.

From "The War to End All Wars: World War I" by Russell Freedman