[f. L. ultim-us last; after PRIMOGENITURE.] The mode of succession by which the right of inheritance pertains to the youngest of a family, as in borough-english.
1882. C. Elton, Orig. Eng. Hist., 185. Ultimogeniture, the awkward term proposed by the Real Property Commissioners of the last generation.
1883. Gomme, in Athenæum, 29 Dec., 865/3. The divergent lines of succession known as ultimogeniture and primogeniture.