Definify.com
Webster 1913 Edition
Pax
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 mediƦval times; an osculatory. It is still used in communities, confraternities, etc.
Kiss the
pax
, and be quiet like your neighbors. Chapman.
Webster 1828 Edition
Pax
PAX
,Noun.