wài​shēng

sister's son

外甥 wài​shēng
sister's son noun
the son of one's sister

He dotes on his nephew and often takes him to the park.

wife's nephew noun
the son of one's wife's brother or sister

My husband's brother brought his son over to play; he is also my nephew.

Frequency

Movie subtitles
4.26 per million appears in 2% of films
Written text
3.10 per million

Sources

Definitions
CC-CEDICT