ˌkȯrəˈfēəs noun
( plural cory·phaei -ēˌī)
Etymology: Latin, leader, from Greek koryphaios leader, leader of the chorus, from koryphē top, summit; akin to Latin cornu horn — more at horn
1. : the leader of a chorus — see choragus 2
2. : the leader of a party, school of thought, or other group of persons