'Reign' in the Bible

During the reign of King Herod of Judea, there was a priest named Zechariah, who belonged to the priestly order of Abijah. His wife was a descendant of Aaron, and her name was Elizabeth.

Now in the fifteenth year of the reign of Caesar Tiberius, when Pontius Pilate was governor of Judea, Herod tetrarch of Galilee, his brother Philip tetrarch of the region of Ituraea and Trachonitis, Lysanias tetrarch of Abilene,