Lewis & Short

ex-hēres, ēdis, adj., disinherited.
Subst.,
a disinherited person: paternorum bonorum exheres filius, Cic. de Or. 1, 38, 175; Plaut. Most. 1, 3, 77; Quint. 5, 10, 107; 7, 1, 42 sq. al.
Comically: nive exheredem fecero vitae suae, i. e. deprive him of life, Plaut. Bacch. 4, 8, 8.