[ noun ] (Roman Catholic Church) a greeting signifying Christian love for those assisting at the Eucharist <noun.communication>
Pax \Pax\, n. [L. pax peace. See {Peace}.] 1. (Eccl.) The kiss of peace; also, the embrace in the sanctuary now substituted for it at High Mass in Roman Catholic churches.
2. (R. C. Ch.) A tablet or board, on which is a representation of Christ, of the Virgin Mary, or of some saint and which, in the Mass, was kissed by the priest and then by the people, in medi[ae]val times; an osculatory. It is still used in communities, confraternities, etc.
Kiss the pax, and be quiet like your neighbors. --Chapman.
3. Friendship, or a friend; -- esp. in the phrases to make pax with, to make friends with, to be good pax, to be good friends; also, truce; -- used esp. interjectionally. [Eng. Schoolboy Slang] [Webster 1913 Suppl.]
He began to work for PAX, set up by the government to dilute church-based opposition but one of the few venues for independent thought.