a. [ Gr. filadelfia brotherly love, from fila`delfos brotherly; fi`los loved, loving, friendly + 'adelfo`s brother. ] Of or pertaining to Ptolemy Philadelphus, or to one of the cities named Philadelphia, esp. the modern city in Pennsylvania. [ 1913 Webster ]

n. 1. A native or an inhabitant of Philadelphia. [ 1913 Webster ]

2. (Eccl. Hist.) One of a society of mystics of the seventeenth century, -- called also the Family of Love. Tatler. [ 1913 Webster ]