xiōng​mèi

brother and sister

兄妹 xiōng​mèi
brother and sister noun
older brother and younger sister; brother(s) and sister(s)

他们兄妹

tā​men liǎ shì qīn xiōng​mèi.

The two of them are biological brother and sister.

Frequency

Movie subtitles
5.43 per million appears in 2% of films
Written text
5.37 per million

Sources

Definitions
CC-CEDICT