† fediˈfractionObs.rare—1. [as if ad. L. *fœdifractiōn-em, f.fœdus compact + -fractiōnem a breaking. Cf. next.] Breach of covenant. 1650B. Discolliminium 45, I..shall be allowed the full benefit of all the..plenipotentialities and fedifractions that I..can devise.