xià​tǐ

genitals

下体 (下體) xià​tǐ
genitals noun
private parts or reproductive organs, used as a euphemism

He felt some discomfort in his lower body and decided to go to the hospital for a checkup.

lower body noun
the lower part of the human body, typically from the waist down

He injured his spine in the accident, resulting in complete paralysis of his lower body.

root and stem noun
the root and stem of a plant

The lower part of this plant is deeply rooted in the soil, absorbing plenty of water.

Frequency

Movie subtitles
1.34 per million appears in 1% of films
Written text
1.09 per million

Sources

Definitions
CC-CEDICT