D defs.my
Entry 2 senses · 2 variants Webster, 1913

Tetrarch

· Te·trarch · IPA /ˈtɛtɹɑɹk/
01 n. A Roman governor of the fourth part of a province; hence, any subordinate or dependent prince; also, a petty king or sovereign.
  1. 1.
    A Roman governor of the fourth part of a province; hence, any subordinate or dependent prince; also, a petty king or sovereign.(Rom. Antiq.)
02 a. Four.
  1. 1.
    Four.[Obs.]