/ ˈprezɪdənsi; NAmE / noun
[ usually sing. ] ( pl. -ies ) the job of being president of a country or an organization; the period of time sb holds this job :
the current holder of the EU presidency
He was a White House official during the Bush presidency.
••
WORD ORIGIN
late 16th cent.: from medieval Latin praesidentia , from praesidere sit before, from prae before + sedere sit.