adjective Anatomy, Zoology.
of or pertaining to the mamma or breast.

1675–85; mamm(a)2 + -ary

intermammary, adjective
postmammary, adjective
submammary, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
mammary (ˈmæmərɪ)
of, relating to, or like a mamma or breast

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1682, from Fr. mammaire, from L. mamma "breast," probably from the child's word for "mother."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

mammary mam·ma·ry (mām'ə-rē)
Of or relating to a breast or mamma.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences for mammary
This article deals with the human breast for other animals, see udder and mammary gland.
In women, the larger mammary glands within the breast produce the milk.
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