See the modern Wiktionary entry at abbey
A′bbey, or Abby. n. s. [Lat. abbstia; from whence probably first Abbacy; which see.] A monastery of religious persons, whether men or women; distinguished from religious houses of other denominations by larger privileges. See Abbot.
With easy roads he came to Leicester;Lodg'd in the abbey, where the reverend abbot,With all his convent, honourabiy receiv'd him.Shakesp.