Quinquennial visit ad limina

In the Roman Catholic Church, a quinquennial visit ad limina or, more fully, quinquennial visit ad limina apostolorum or simply an ad limina visit means the obligation of residential diocesan bishops and certain prelates with territorial jurisdiction (such as territorial abbots), of visiting the thresholds of the [tombs of the] Apostles, Saints Peter and Paul, and of meeting the pope to report on the state of their dioceses or prelatures.