gynecomastia

1. (American spelling, pathology) Excessive development of breasts in men, resembling the breast development in women.Examples: "But probably the primary reason for gynecomastia in adult onset is drugs—and these are not illegal drugs."; "Fitness coach Powell was awake and talking throughout the procedure last month at the Cardiff branch of Signature Clinic, a cosmetic surgery group which for the past year has averaged 100 gynecomastia patients a month across its six locations in UK and Ireland."Synonyms: gynecomastism, gynecomaziaUScountableuncountable