adjective Anatomy, Zoology.

of or relating to the mamma or breast.

Origin of mammary

First recorded in 1675–85; mamm(a)2 + -ary
Related formsin·ter·mam·ma·ry, adjectivepost·mam·ma·ry, adjectivesub·mam·ma·ry, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Contemporary Examples of mammary

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British Dictionary definitions for mammary



of, relating to, or like a mamma or breast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mammary

1680s, from French mammaire (18c.), from Latin mamma "breast," probably from the child's word for "mother" (see mamma).

Online Etymology Dictionary, © 2010 Douglas Harper

mammary in Medicine




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.