1 a a form of public worship. b a set of formularies for this. c public worship in accordance with a prescribed form.
2 (the Liturgy) the Book of Common Prayer.
3 the Communion office of the Orthodox Church.
4 Gk Antiq. a public office or duty performed voluntarily by a rich Athenian.
Etymology: F liturgie or LL liturgia f. Gk leitourgia public worship f. leitourgos minister f. leit- public + ergon work
Useful english dictionary. 2012.