noun.
The state of a man whose wife is dead, or of a woman whose husband is dead, and who has not married again: generally applied to the state or condition of being a widow.
noun.
A widow's right; the estate settled on a widow.
the GNU version of the Collaborative International Dictionary of English
noun.
The state of being a widow; the time during which a woman is widow; also, rarely, the state of being a widower.