A species of life- estate which a woman is, by law, entitled toclaim on the death of her husband, in the lands and tenements of which lie was seisedin fee during the marriage, aud which her issue, if any. might by possibility have inherited.1 Steph. Comm. 249; 2 Bl. Comm. 129; Cruise, Dig. tit. 0; 2 Crabb, Real Prop,p. 124,