a. nonce-wd. [f. L. consōbrīn-us cousin + -AL.] Having the relationship of cousin.
1843. Times, 22 April, 4/2. It [the Royal Marriage Act] has perpetuated consobrinal continuity of intermarriages, which can only ensure moral and physical evils.
1850. J. Hannay, S. Fontenoy, IV. vii. Two avuncular baronets, a consobrinal lord.