a. | 1. | Of, pertaining to, or involving, brethren; becoming to brothers; brotherly; |
Adj. | 1. | fraternal - of or relating to a fraternity or society of usually men; "a fraternal order" |
2. | fraternal - (of twins) derived from two separate fertilized ova; "fraternal twins are biovular" Synonyms: biovular | |
3. | fraternal - like or characteristic of or befitting a brother; "brotherly feelings"; "close fraternal ties" Synonyms: brotherlike, brotherly |