abbey /ˈæbi/ noun5 •A monastery or society of people, secluded from the world and devoted to religion and celibacy, which is headed by an abbot or abbess; also, the monastic building or buildings.From 1199 to 1203 William Punchard was the abbot of the abbey of Rievaulx, which was part of the Cistercian order of monks. •The church of a monastery. •(UK) A residence that was previously an abbatial building. •The office or dominion of an abbot or abbess. •(dialect) The abele or white poplar (Populus alba).Ab'bey. The great white poplar: one of the varieties of the Populus alba. — 1825 formsabbeys