The original meaning of uncle refers to the mother's younger brother or brother. However, "uncle" can refer to a wife's brother or younger brother, that is, her uncle. Of course, male acquaintances of the same generation as their mothers in society, such as friends and classmates, can also be called uncles.
In some places, there are only a few daughters and no sons in the family, and the husband of one of them is adopted by his wife, so the children of other daughters call that woman "aunt" and the husband of the adopted wife "uncle".
Related appellation
Mother's brother's wife
My aunt, also called my aunt/aunt, is my uncle's spouse.
In Guanzhong area of Shaanxi province, there are two kinds of names: uncle is younger than mother, and aunt is called mother; When my uncle is older than my mother, I call my aunt my mother. These two titles reflect the order of elders. Similarly, there are also the names of menstruation women.
Gui originally meant to be uncle's man. Nine uncles, uncle's people = nine people. From ancient times to the present, it has formed the last colorful kinship appellation in China. Uncle = aunt. Today is the present, and ancient times are the past.
In some places in western Liaoning, some people also call their aunts Zhang Zi. It is also used in some areas of Beijing, such as Pinggu.