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 In the coming weeks, the blind, hairless cub—which is roughly 1/900th the size of its mother—will live on Mei Xiang’s chest, migrating between mammary glands and warm armpits. Alex Fox, Smithsonian Magazine, "Giant Panda Mama Welcomes Baby Cub at National Zoo Friday Evening," 21 Aug. 2020 Newborn European rabbit pups respond to a mammary pheromone released from glands around the mother’s nipples that enables them to quickly find the nipples and nurse. Liz Langley, National Geographic, "How pheromones help bee queens rule and lemurs 'flirt'," 19 May 2020 Growing enough mammary cells to make any milk at scale is also a huge technical challenge. Sarah Zhang, The Atlantic, "A Bold and Controversial Idea for Making Breast Milk," 27 Feb. 2020 Ariel had been diagnosed with mammary tumors that were removed and biopsied. Arizona Republic, azcentral, "Waffles and other pets up for adoption in Phoenix-area shelters this week," 6 Mar. 2020 Noam was diagnosed with mammary cancer in August after zoo staff noticed a mass growing on her abdomen. Robin Goist, cleveland, "Beloved jaguar at Akron Zoo dies after battle with cancer," 8 Nov. 2019 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

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

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The first known use of mammary was in 1615

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Cite this Entry

“Mammary.” Dictionary, Merriam-Webster, Accessed 15 Jan. 2021.

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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)

More from Merriam-Webster on mammary

Nglish: Translation of mammary for Spanish Speakers

Britannica English: Translation of mammary for Arabic Speakers

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