1. [informal] A woman who has given birth to a child (also used as a term of address to your mother)
   "the mamma of three children";
   - mother, female parent, ma [informal], mama [informal], mom [N. Amer, informal], momma [N. Amer, informal], mommy [N. Amer, informal], mammy [informal], mum [Brit, informal], mummy [informal], mumma [informal], mam [UK, informal], mater [UK, archaic, informal], supermom [informal]
    
2. Milk-secreting organ of female mammals
   "The mammae produce milk for infant nourishment";
   - mammary gland

Derived forms: mammae

Type of: duct gland, exocrine, exocrine gland, parent

Part of: female mammal

Encyclopedia: Mamma