DictionarymammaryMilk-producing glands
adjective

mammary

MAM-uh-ree/ˈmæməri/

Relating to the glands that produce milk.

Mammary glands produce the milk that feeds a mother's young.

A calm mother dog lying on her side, with one puppy nursing and remaining mammary teats visibly aligned naturally along her abdomen.
Etymology

The pieces express “relating to the breast.” In the selected sense, that relationship is specifically to the glands that produce milk for nursing young.

In context

Cat Nation6:38
Your kitty's desire to do this goes back to his nursing days. It fostered better milk yield by putting his paws on his mother's mammary glands.
12 Strangest Cat Behaviors Explained

More examples

  • Hormones stimulate mammary tissue to grow during pregnancy.
  • The veterinarian checks the dog's mammary glands for swelling.
  • Mammary ducts carry milk toward the nipple.

Forms

mammary

Similar words

breast
Refers to the breast generally, not specifically its milk-producing glands.