\Pax\, n.
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]

\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.