noun see: issue Date: 15th century the first part of the traditional proper of the Mass consisting of an antiphon, verse from a psalm, and the Gloria Patri, a piece of music sung or played at the beginning of a worship service
INTROIT
Meaning of INTROIT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012