Law. Also fratrage. [ad. med.L. frātriāg-ium, f. L. frātr(i)- brother: see -AGE.] (See quots.)
17306. Bailey (folio), Fratrage, the partition among brothers or coheirs, coming to the same inheritance or succession; also that part of the inheritance that comes to the youngest brothers.
1848. Wharton, Law Lex., Fratriage, a younger brothers inheritance.