The kiss of peace; also, the embrace in the sanctuary now substituted for it at High Mass in Roman Catholic churches. (Eccl.)
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 mediæval times; an osculatory. It is still used in communities, confraternities, etc. (R. C. Ch.)
Kiss the pax, and be quiet like your neighbors.
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]