mammary gland

Mammary glands are the organs that, in the female mammal, produce milk for the sustenance of the young. These exocrine glands are enlarged and modified sweat glands and are the characteristic of mammals which gave the class its name.
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Mammary gland n. Any of the milk-producing apocrine glands typically occurring in pairs in female mammals and consisting of lobes containing [more]Mammary gland - Community and Resources

Noun
1. milk-secreting organ of female mammals
(synonym) mamma
(hypernym) exocrine gland, duct gland
(hyponym) dug
(part-holonym) female mammal
(part-meronym) nipple, mammilla, mamilla, pap, teat, tit

Breast (male or female).

Glandular organ located on the chest. The mammary gland is made up of connective tissue, fat, and breast tissue that contains the glands that can make milk. Also called breast.