When someone mentions a widow, they're usually thinking about a person who's lost their partner. In many cultures, this can be a significant life change that affects how people live and move forward. You might hear about a charity or organization helping widows in need or supporting them as they cope with their loss. Sometimes the term is used more broadly to refer to any woman who's been affected by her husband's death, regardless of her financial situation or social status.
How common is "widow"?
Word widow is considered uncommon in modern English. It has a balanced usage among all categories: speech, fiction, newspapers and academic texts.
Definitions
noun
A person whose spouse is absent:
(card games) An additional hand of playing cards dealt face-down in some card games, to be used by the highest bidder.
(typography) A single line of type that ends a paragraph but is separated from it by being carried over to the next page or column.
Any venomous spider of the genus Latrodectus (called "widows" because of the practice of sexual cannibalism observed among many of these species).