precentor
precentor \pri-'sent-*r\ \.pre--.sen-'to-r-e--*l, -'to.r-\ \pri-'sent-*r-.ship\ n [LL praecentor, fr. L praecentus, pp. of praecinere to sing b]efore, fr. prae- + canere to sing - more at CHANT : a leader of the singing of a choir or congregation - pre.cen.to.ri.al aj