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Noun: gynaecomastia  ,gI-nu-kow'mas-tee-u
Usage: Brit, Cdn (US: gynecomastia)
  1. Excessive development of the breasts in males; usually the result of hormonal imbalance or treatment with certain drugs (including some antihypertensives)
    "The teenager sought medical advice for his gynaecomastia";
    - gynecomastia [N. Amer]

Type of: abnormalcy [US], abnormality

Encyclopedia: Gynaecomastia