Definition of tetrarch
1
: a governor of the fourth part of a province
2
: a subordinate prince
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share tetrarch
Time Traveler for tetrarch
The first known use of tetrarch was in the 12th century
See more words from the same century