noun.
A monastery or convent of persons of either sex devoted to religion and celibacy, and governed by an abbot or abbess (which see).
noun.
The buildings of a monastery or convent; sometimes, in particular, the house set apart for the residence of the abbot or abbess.
noun.
A church now or formerly attached to a monastery or convent: as, Westminster Abbey.
noun.
In Scotland, the sanctuary formerly afforded by the abbey of Holyrood Palace, as having been a royal residence.
noun.
A name sometimes given to the white poplar, Populus alba.