[ ˌəʊpəs'deɪi: , ˌɒpəs ]
■ noun
1》 Christian Church liturgical worship regarded as humankind's primary duty to God.
2》 ( Opus Dei ) a Roman Catholic organization of laymen and priests founded in 1928 with the aim of re-establishing Christian ideals in society.
Origin
C19: from med. L., lit. 'work of God'.