1
- a woman who has lost her husband by death and has not married again寡妇, 遗孀, 孀妇。
1.1
- with modifier humorous a woman whose husband is often away participating in a specified sport or activity〈幽默〉守活寡的女人, 活寡妇（指丈夫经常外出参加某项运动或活动的女人）：
my wife has been a golf widow for the last 30 years.
因为我沉迷于高尔夫球, 30年来妻子像在守活寡。
2
- Printing a last word or short last line of a paragraph falling at the top of a page or column and considered undesirable【印刷】未排足的行, 单词行。
3
- a widowbird寡妇鸟。
with obj.［usu. as adj. widowed］
- make into a widow or widower使成寡妇, 使成鳏夫：
she had to care for her widowed mother.
她得照顾孀居的母亲。
词源
Old English widewe, from an Indo-European root meaning 'be empty'; compare with Sanskrit vidh 'be destitute'， Latin viduus 'bereft， widowed'， and Greek ēitheos 'unmarried man'.