kaiser Meaning, Definition & Usage

  1. noun the title of the Holy Roman Emperors or the emperors of Austria or of Germany until 1918

WordNet

Kai"ser noun
Etymology
Gr., fr. L. Caesar. Cf. Kesar, and Czar.
Definitions
  1. The ancient title of emperors of Germany assumed by King William of Prussia when crowned sovereign of the new German empire in 1871.

Webster 1913