Of, pertaining to, or involving, brethren; becoming to brothers; brotherly; as, fraternal affection; a fraternal embrace.

A matchcover category whose advertisement mentions any number of national fraternal organizations (i.e., Lions, V.F.W., Eagles, American Legion, Moose, etc.). Some collectors do not include Elks in this category. Most are stock matchcovers, collected by lodge or chapter number.

(of twins) derived from two separate fertilized ova; "fraternal twins are biovular"

like or characteristic of or befitting a brother; "brotherly feelings"; "close fraternal ties"

of a brother; group of persons having a common interest. (My sister and brother are fraternal twins, not identical ones, since they are of different sexes. The Elks are a fraternal organization.)