he·gem·o·ny (hĭ-jěm'ə-nē, hěj'ə-mō'nē) n.
pl.he·gem·o·nies The predominant influence, as of a state, region, or group, over another or others.
[Greek hēgemoniā, from hēgemōn, leader; see hegemon.] heg'e·mon'ic (hěj'ə-mŏn'ĭk) adj., he·gem'o·nism n., he·gem'o·nist adj. & n.
Usage Note: Hegemony may be stressed on either the first or second syllable, though the pronunciation with stress on the second syllable may be winning out. Seventy-two percent of the Usage Panel prefers it.