📒 either of the two small round dark parts on a person’s chest. Babies can drink milk from their mother’s breasts through the nipples.
📒 the rubber part at the end of a baby’s bottle that the baby sucks on with its lips and tongue in order to get milk, etc. from the bottle
📒 a small metal, plastic or rubber object that is like a nipple in shape with a small hole in the end, especially one that is used as part of a machine to direct oil, etc. into a particular place