september utc does greek letter make it a fraternity or the definition of fraternity itself fra ter ni ty fr t rn ti pronunciation key show spelled pronunciation fruh tur ni tee pronunciation key show ipa pronunciation noun plural ties a local or national organization of male students primarily for social purposes usually with secret initiation and rites and a name composed of two or three greek letters a group of persons associated by or as if by ties of brotherhood any group or class of persons having common purposes interests etc the medical fraternity an organization of laymen for religious or charitable purposes sodality the quality of being brotherly brotherhood liberty equality and fraternity the relation of a brother or between brothers