Word.ws English Dictionary

tetrarch

UK/ˈtɛtɹɑːk/US/ˈtɛtɹɑɹk/

tetrarch noun: a governor or ruler of a quarter of a country, especially of a fourth part of a province in or client state of Ancient Rome.

Noun

tetrarch (plural tetrarchs)

  1. A governor or ruler of a quarter of a country, especially of a fourth part of a province in or client state of Ancient Rome.
  2. Each of the four members of a jointly ruling tetrarchy, notably of the Roman Empire since Diocletian.
  3. An officer in charge of a fourth part of a phalanx in Ancient Greece.

Adjective

tetrarch (not comparable)

  1. Having four vascular strands in a fibrovascular cylinder or stele.

Forms of tetrarch

pluraltetrarchs

Origin of tetrarch

Borrowed from Latin tetrarchēs, from Ancient Greek τετράρχης (tetrárkhēs), from τετρα- (tetra-, “four”) + -άρχης (-árkhēs, “ruler, leader”).

Questions about tetrarch

What does tetrarch mean?
Tetrarch means a governor or ruler of a quarter of a country, especially of a fourth part of a province in or client state of Ancient Rome.
What part of speech is tetrarch?
Tetrarch can be a noun or an adjective.
How do you pronounce tetrarch?
Tetrarch is pronounced /ˈtɛtɹɑɹk/ (US).
What is the plural of tetrarch?
The plural of tetrarch is tetrarchs.

Words near tetrarch in the dictionary

  1. tetraquetrous
  2. tetraradial
  3. tetraradiate
  4. tetraradical
  5. tetraradicals
  6. tetrarch
  7. tetrarchate
  8. tetrarchates
  9. tetrarchic
  10. tetrarchical
  11. tetrarchies

Source and license

Adapted from Wiktionary: tetrarch (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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