What is Gradual?
Gradual definition and meaning on Dictionary terms:
taking place, changing, moving, etc., by small degrees or little by little: gradual improvement in health.
rising or descending at an even, moderate inclination: a gradual slope.
Ecclesiastical. (often initial capital letter) an antiphon sung between the Epistle and the Gospel in the Eucharistic service. a book containing the words and music of the parts of the liturgy that are sung by the choir.