Brotherhood refers to the bond and close relationship between brothers, whether biologically related or not. It signifies unity, loyalty, and support among people who share a common purpose or goal. Full definition
Those few fanatics who still care deeply about the single wing and think it's good for more than just a few plays, all seem to have found one another, communicating through a sort of brotherhood of the formation. (si.com)
«To Jerusalem we are going, martyrs in the millions» — Muslim brotherhood Egyptians in Tahir Square. (religion.blogs.cnn.com)
An adventure that tells the true story of Arthur (Clive Owen) and his bond of brotherhood with Lancelot (Ioan Gruffudd) and the Knights Of The Round Table as they fight for freedom and those they love. (sho.com)