复数：tetrarchs
1.四分之一统治者;四分之一长官
2.从属小君主,小诸侯等权力较小的统治者
3.共同掌权的四人(四个官吏)
4.方阵的小队长
5.【植】四原型
1.the ruler of a quarter of a country or province
2.one of four joint rulers
3.a ruler of a subordinate principality, especially in the eastern provinces of the Roman Empire
4.the commander of a subdivision of a Macedonian phalanx in ancient Greece
tetrarchs