disseizin /dɪˈsiːzɪn/ noun2 •The act of disseizing; an act of unlawful dispossessing, especially of someone's lands.Disseizin of things corporeal , as of houses , lands , & c . , must be by entry and actual dispossession of the freehold — 1765 •(figurative) Dispossession.Why should the disseizin of his soul have seemed shameful to him? — 1911 formsdisseizins