Webster’s Revised Unabridged Dictionary · 1913
Fraternal
Fra·ter′nal (frȧ·tẽr′nal), a.[F. fraternel, LL. fraternalis, fr. L. fraternus, fr. frater brother. See Brother.] Of, 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.