Source : Webster's Revised Unabridged Dictionary (1913)

Fraternal \Fra*ter"nal\, a.[F. fraternel, LL. fraternalis, fr.
   L. fraternus, fr. frater brother. See {Brother}.]
   Pf, pertaining to, or involving, brethren; becoming to
   brothers; brotherly; as, fraternal affection; a fraternal
   embrace. -- {Fra*ter"nal*ly}, adv.

         An abhorred, a cursed, a fraternal war.  --Milton.

         Fraternal love and friendship.           --Addison.

Source : WordNet®

fraternal
     adj 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" [syn: {biovular}] [ant: {identical}]
     3: like or characteristic of or befitting a brother; "brotherly
        feelings"; "close fraternal ties" [syn: {brotherly}, {brotherlike}]
        [ant: {sisterly}]