I.a leading the way, going first, Hdt.
, etc.; ἡγ. δικαστηρίων authority
over them, Aeschin.
2.the hegemony or sovereignty of one state over a number of subordinates, as of Athens in Attica, Thebes in Boeotia:— the hegemony of Greece was wrested from Sparta by Athens; and the Peloponn. war was a struggle for this hegemony.
b.= Roman imperium, Plut.: the reign of the Emperor, NTest.
III.a division of the army, a command, Plut.