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[jin-i-koh-mas-tee-uh, gahy-ni-, jahy-ni-] /ˌdʒɪn ɪ koʊˈmæs ti ə, ˌgaɪ nɪ-, ˌdʒaɪ nɪ-/
abnormal enlargement of the breast in a male.
Also, gynecomasty
[jin-i-kuh-mas-tee, gahy-ni-, jahy-ni-] /ˈdʒɪn ɪ kəˌmæs ti, ˈgaɪ nɪ-, ˈdʒaɪ nɪ-/ (Show IPA)
Origin of gynecomastia
From New Latin, dating back to 1880-85; See origin at gyneco-, mast-, -ia Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for gynecomastia
Historical Examples
  • gynecomastia or hypertrophy of the mammæ is still more frequent in male criminals.

    Criminal Man Gina Lombroso-Ferrero
Word Origin and History for gynecomastia

1881, from Greek gyne (see queen) + mazos "breast," variant of mastos (see masto-).

Online Etymology Dictionary, © 2010 Douglas Harper
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gynecomastia in Medicine

gynecomastia gyn·e·co·mas·ti·a (jĭn'ĭ-kō-mās'tē-ə, gī'nĭ-, jī'-)
Abnormal enlargement of the male mammary glands, sometimes to the point of secreting milk.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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