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 (tĕt′rärk′, tē′trärk′)
a. A subordinate ruler.
b. One of four joint rulers.
2. A governor of one of four divisions of a country or province, especially in the ancient Roman Empire.
3. The commander of a subdivision of a phalanx in ancient Greece.

[Middle English tetrarche, a Roman tetrarch, from Old French, from Late Latin tetrarcha, from Latin tetrarchēs, from Greek tetrarkhēs : tetra-, tetra- + -arkhēs, -arch.]

te·trar′chic (tĕ-trär′kĭk, tē-) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Government, Politics & Diplomacy) the ruler of one fourth of a country
2. (Historical Terms) a subordinate ruler, esp of Syria under the Roman Empire
3. (Historical Terms) the commander of one of the smaller subdivisions of a Macedonian phalanx
4. (Government, Politics & Diplomacy) any of four joint rulers
[C14: from Greek tetrarkhēs; see tetra-, -arch]
tetrarchate n
teˈtrarchic, teˈtrarchical adj
ˈtetrarchy n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtɛ trɑrk, ˈti-)

1. the ruler of a fourth part, division, etc., as of a country or province in the Roman Empire.
2. a subordinate ruler or minor king, esp. in W Asia under the Roman Empire.
3. one of four joint rulers or chiefs.
[1350–1400; Middle English tetrarcha, tetrarke < Late Latin tetrarcha, Latin tetrarchēs < Greek tetrárchēs. See tetra-, -arch]
te′trar•chy, te′trarch•ate` (-ˌkeɪt) n.
te•trar′chic, te•trar′chi•cal, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
Plain thou now appear'st That Evil One, Satan for ever damned." To whom the Fiend, with fear abashed, replied:-- "Be not so sore offended, Son of God-- Though Sons of God both Angels are and Men-- If I, to try whether in higher sort Than these thou bear'st that title, have proposed What both from Men and Angels I receive, Tetrarchs of Fire, Air, Flood, and on the Earth Nations besides from all the quartered winds-- God of this World invoked, and World beneath.
Tetrarch Capital acquired the island back in May following the acquisition of Howth Castle and Demense from the Gaisford-St Lawrence family.
Herod the tetrarch is a weak prisoner of his passions.
Before his disappointing run in Monday's Tetrarch Stakes, I Am Superman went up 12lb to 101 for his impressive win in last month's premier handicap at Naas.
The son of Dark Angel dug deep to find a way past Piano Solo and could now take in the Tetrarch Stakes at the Curragh in just over a month's time.
Kevin Prendergast has been in the game long enough to know something special when he sees it and immediately nominated the tetrarch Stakes and then the Curragh Classic after Awtaad's return in a handicap at Irish Headquarters.
Tenor Peter Bronder overplayed depravity in the role of Herod--with a scary likeness to Roman Polanski--while Gerhard Siegel was vocally stronger in his tortured impersonation of the Tetrarch. As Herodias, Doris Soffel was spine-chilling and dominated the stage.
After making a successful debut at the Curragh last month, Indesatchel won the Greenham Stakes at Newbury before trotting up by six lengths in the Tetrarch Stakes back at the Irish track earlier this month.
Almost two thousand years ago, Herod the tetrarch put away his wife to marry a woman who was married to his half brother, Philip.
After Actium, Augustus' subsequent reign of more than 40 years was a comparatively tranquil one, in spite of atrocities committed by certain of his imperial subordinates, like the Judean tetrarch Herod.
He was actually "tetrarch" of Galilee and not a king.
The Ballydoyle maestro, successful last season with Landseer, fields the Tetrarch Stakes winner France (Mick Kinane), the well-fancied Catcher In The Rye (Kieren Fallon) and Dalcassian (Tom Queally).