/ Dictionary / Index K kaiser: Meaning and Definition of Find definitions for: kai•ser Pronunciation: (kī'zur), [key] — n. a German emperor. an Austrian emperor. a ruler of the Holy Roman Empire. a person who exercises or tries to exercise absolute authority; autocrat. Kai•ser Pronunciation: (kī'zur), [key] — n. 1882–1967, U.S. industrialist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kaiser (Thesaurus) Kairouan kaiserism Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language