introit
noun
in·troit ˈin-ˌtrȯit 
-ˌtrō-ət,
in-ˈtrȯit,
-ˈtrō-ət
1
often capitalized : the first part of the traditional proper of the Mass consisting of an antiphon, verse from a psalm, and the Gloria Patri
2
: a piece of music sung or played at the beginning of a worship service
Word History
Etymology
Middle English, from Medieval Latin introitus, from Latin, entrance, from introire to go in, from intro- + ire to go — more at issue entry 1
First Known Use
15th century, in the meaning defined at sense 1
- nonnegligent
- nonnegotiable
- nonner
- nonnest
- nonnetwork
- nonneural
- nonneutrals
- nonnies
- nonnitrogenous
- nonnormative
- nonnotification
- nonnovel
- nonnovelist
- nonnovels
- nonnuclear
- nonnucleated
- nonnumerical
- nonnumericals
- nonnutritious
- nonnutritive
- nonny-nonny
- nonobediences
- nonobjective
- nonobjectivism
- nonobjectivisms