gynecomastia
/ˌɡaɪnɪkoʊˈmæstiə/
noun
- A condition in which a male's breast tissue becomes enlarged, often due to hormone changes.
- The doctor explained that gynecomastia is not a serious health problem.
- Some medications can cause gynecomastia as a side effect.
- Gynecomastia is common during puberty and usually goes away on its own.