WordWeb Online

1. Of or relating to a fraternity or society of usually men
   "a fraternal order"
    
2. (of twins) derived from two separate fertilized ova
   "fraternal twins are biovular"
   - biovular
    
3. Like or characteristic of or befitting a brother
   "close fraternal ties"
   - brotherly, brotherlike

See also: brotherhood, fraternally, fraternity

Antonym: identical

Encyclopedia: Fraternal