Tetrarch
Easton’s Bible Dictionary & Webster’s 1828 Dictionary · Matthew George Easton, Noah Webster
Tetrarch - (Easton's Bible Dictionary)
Strictly the ruler over the fourth part of a province; but the word denotes a ruler of a province generally (Matt. 14:1; Luke 3:1, 19; 9:7; Acts 13:1). Herod and Phasael, the sons of Antipater, were the first tetrarchs in Palestine. Herod the tetrarch had the title of king (Matt. 14:9).
Tetrarch - (Webster's 1828 Dictionary)
TE'TRARCH, n. [Gr. four, and rule.] A Roman governor of the fourth part of a province; a subordinate prince. In time, this word came to denote any petty king or sovereign.
In other dictionaries
Read “Tetrarch” in the 4 dictionariesSource of the article
Matthew George Easton, Easton’s Bible Dictionary; Noah Webster, American Dictionary of the English Language (1828)
Bible Strong combined digital edition