QUOD EI DEFORCEAT, Engl. law. The name of a writ given by Stat. Westmin. 2, 13 Edw. I. c. 4, to the owners of a particular estate, as for life, in dower, by the curtesy, or in fee tail, who are barred of the right of possession by a recovery had against them through their default or non-appearance in a possessory action; by which the right was restored to him, who had been thus unwarily deforced by his own default. 3 Bl. Com. 193.