noun
A natural or formed depression in a surface, such as a dent, dimple, or hollow in the ground.
地面に小さなくぼができている。
There is a small hollow in the ground.
彼女は笑うと頬にくぼができる。
When she smiles, dimples form on her cheeks.
noun
Archaic euphemistic use; not used in modern Japanese outside of historical or literary contexts.
古い文献では、くぼが女性器を婉曲に指すことがある。
In old texts, くぼ can euphemistically refer to female genitalia.
The origin is uncertain; likely related to the verb くぼむ (to become hollow).