Standard Lemma guide

tetrarch

adj · noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /ˈtɛtɹɑɹk/
  • Received-Pronunciation: /ˈtɛtɹɑːk/

1

adj

Meaning 1

Having four vascular strands in a fibrovascular cylinder or stele.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

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.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Each of the four members of a jointly ruling tetrarchy, notably of the Roman Empire since Diocletian.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

An officer in charge of a fourth part of a phalanx in Ancient Greece.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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

Across languages

Translations

16 source translations are retained for this English entry.

  • Dutch: tetrarch — governor or ruler of quarter of a country
  • Dutch: viervorst — governor or ruler of quarter of a country
  • Esperanto: tetrarĥo — governor or ruler of quarter of a country
  • Esperanto: tetrarko — governor or ruler of quarter of a country
  • Esperanto: kvaronprinco — governor or ruler of quarter of a country
  • Finnish: tetrarkki — governor or ruler of quarter of a country
  • French: tétrarque — governor or ruler of quarter of a country
  • German: Tetrarch — governor or ruler of quarter of a country
  • Ancient Greek: τετράρχης (tetrárkhēs) — governor or ruler of quarter of a country
  • Italian: tetrarca — governor or ruler of quarter of a country
  • Kazakh: аймағының әкімі (aimağynyñ äkımı) — governor or ruler of quarter of a country
  • Latin: tetrarchēs — governor or ruler of quarter of a country
  • Portuguese: tetrarca — governor or ruler of quarter of a country
  • Russian: тетра́рх (tɛtrárx) — governor or ruler of quarter of a country
  • Spanish: tetrarca — governor or ruler of quarter of a country
  • Turkish: tetrark — governor or ruler of quarter of a country