fra ‧ ter ‧ ni ‧ ty /frəˈtɜːnəti, frəˈtɜːnɪti $ -ɜːr-/ BrE AmE noun ( plural fraternities )
1 . the teaching/scientific/criminal etc fraternity all the people who work in a particular profession or share a particular interest
2 . [countable] a club at an American college or university that has only male members ⇨ sorority
3 . [uncountable] formal a feeling of friendship between members of a group:
fraternity between nations