mam·​ma·​ry | \ ˈma-mə-rē How to pronounce mammary (audio) \

Definition of mammary

: of, relating to, lying near, or affecting the mammae

Examples of mammary in a Sentence

Recent Examples on the Web One of the remaining two cats is facing more significant health issues than the others did, including an advanced dental disease and mammary tumor, MSPCA spokesman Rob Halpin said., "The cats were removed from a “dirty and overcrowded” home Tuesday in the," 22 Oct. 2019 This may happen because circadian rhythm disruptions can lead to an increased likelihood of mammary tumor development, and circadian genes may act as tumor suppressors. Cindy Krischer Goodman,, "10 breakthrough innovations in breast cancer treatment and research in South Florida," 1 Oct. 2019 Since 1888 generations of women have shopped and been traumatized at this mammary mecca. Nora Zelevansky, Town & Country, "To Have and Have Not," 4 Jan. 2013 If your dog does develop a tumor, surgery is the standard of care for mammary tumors. Texas A&m University, Houston Chronicle, "Pet Talk: Mammary tumors in dogs," 20 June 2018 Their collaboration further showed a connection between hormones and cancer: mammary tumors decreased in female mice with ovariectomies while the tumors increased in pregnant mice. Leila Mcneill, Smithsonian, "The History of Breeding Mice for Science Begins With a Woman in a Barn," 20 Mar. 2018 Recently, masses were discovered on Carlee's mammary glands. Marc Lester, Alaska Dispatch News, "Dog people," 25 Aug. 2017 For girls, pyometra (uterine infections) and mammary tumors are the biggest risk. Patty Khuly, miamiherald, "Spay or neuter your dog? Vet says you don’t have to but you should," 13 July 2017 Male Bornean fruit bats have milk-producing mammary glands; female hyenas have a pseudo-penis. Brandon Keim, WIRED, "Animals Get Freaky at Museum of Sex," 24 July 2008

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mammary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mammary

1615, in the meaning defined above

History and Etymology for mammary

borrowed from New Latin mammārius, from Latin mamma "breast, udder" + -ārius -ary entry 2 — more at mamma

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Time Traveler for mammary

Time Traveler

The first known use of mammary was in 1615

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Statistics for mammary

Last Updated

12 Nov 2019

Cite this Entry

“Mammary.” The Dictionary, Merriam-Webster Inc., Accessed 22 November 2019.

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More Definitions for mammary


How to pronounce mammary (audio)

English Language Learners Definition of mammary

technical : of or relating to the breasts


mam·​ma·​ry | \ ˈmam-ə-rē How to pronounce mammary (audio) \

Medical Definition of mammary

 (Entry 1 of 2)

: of, relating to, lying near, or affecting the mammae


plural mammaries

Medical Definition of mammary (Entry 2 of 2)

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More from Merriam-Webster on mammary

Spanish Central: Translation of mammary

Nglish: Translation of mammary for Spanish Speakers

Britannica English: Translation of mammary for Arabic Speakers

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