noun

• (Christianity) A painted, stamped or carved tablet with a representation of Christ or the Virgin Mary, which was kissed by the priest during the Mass ("kiss of peace") and then passed to other officiating clergy and the congregation to be kissed. See also osculatory.
  "Fortune is Bardolphs foe, and frownes on him: for he hath ſtolne a Pax, and hanged muſt a be: […] Exeter hath giuen the doome of death, for Pax of little price."
• (British, dated, school slang) Friendship; truce.
  "to make pax with someone"
• (Christianity) The kiss of peace.
• (Christianity) A crucifix, a tablet with the image of Christ on the cross upon it, or a reliquary.

intj

• (UK, dated, school slang) A cry for peace or truce in children's games.

noun

• (informal, usually in the plural) A passenger; passengers.
• (informal, usually in the plural, by extension, hospitality industry) A guest (at an event or function).
• (Malaysia, Singapore, Philippines, by extension, restaurant industry) A restaurant guest, when counting; person.
  "$30 per pax"

name

• (Greek mythology) The goddess/personification of peace and one of the Horae. She is a daughter of Zeus and Themis, and her sisters are Justitia and Eunomia. She is the Roman counterpart of Eirene.