Date: circa 1898 a ceremonial kiss, embrace, or handclasp used in Christian liturgies and especially the Eucharist as a sign of fraternal unity
KISS OF PEACE
Meaning of KISS OF PEACE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012