fraternity (fraternities plural )
1 n-uncount Fraternity refers to friendship and support between people who feel they are closely linked to each other.
FORMAL Bob needs the fraternity of others who share his mission.
2 n-count You can refer to people who have the same profession or the same interests as a particular fraternity.
usu supp N
(=set)
...the spread of stolen guns among the criminal fraternity., ...the sailing fraternity.
3 n-count In the United States, a fraternity is a society of male university or college students.