Gr. Hist. [Latinized form of Gr. τᾱγός ruler, leader, f. stem ταγ- of τάσσ-ειν to arrange, order.] A commander, leader, ruler, chief; spec. the title of the chief of the confederation of Thessaly.
1839. Thirlwall, Greece, V. xxxviii. 55. The first step which he had to take was to acquire the title of tagus, and to unite all Thessaly under his legitimate authority.
1846. Grote, Greece, II. iii. II. 373. A chief or Tagus was nominated to enforce obedience. Ibid. (1849), II. liii. VI. 542. The federal authority or power of the tagus, which bound together the separate cities [of Thessaly], was generally very weak.
