Pronunciation: (graj'OO-ul),[key] —adj. 1. taking place, changing, moving, etc., by small degrees or little by little: gradual improvement in health. 2. rising or descending at an even, moderate inclination: a gradual slope.
—n. Eccles.(often cap.) a. an antiphon sung between the Epistle and the Gospel in the Eucharistic service.
b. a book containing the words and music of the parts of the liturgy that are sung by the choir.