demesnial,a.|dɪˈmeɪnɪəl, -ˈmiːnɪəl| [f. demesne, after manorial, etc.: see -ial.] Of or pertaining to a demesne; domanial. 1857Sir F. Palgrave Norm. & Eng. II. 442 Austrasia contained the chief demesnial towns and cities..of the Carlovingian Sovereigns.