1. The production and secretion of milk by the mammary glands
   "The new mother's lactation began shortly after giving birth"
    
2. The period following birth during which milk is secreted
   "lactation normally continues until weaning"
    
3. Feeding an infant by giving suck at the breast
   "Lactation typically begins shortly after childbirth";
   - suckling

Derived forms: lactations

Type of: activity, alimentation [formal], bodily function, bodily process, body process, feeding, period, period of time, time period, time span

Encyclopedia: Lactation