Nanny/ˈnæni/ Definition 1 of 4Pro Tip 1/3Child Care Professional Nanny usually refers to a professional, not just a casual babysitter. Our nanny has a degree in early childhood education. Pro Tip 2/3Live-in Option 'Live-in' suggests the nanny resides in the same home as the family. We are looking to hire a live-in nanny for our kids. Pro Tip 3/3Emotional Bond Nannies often build a strong emotional bond with the children they care for. The children grew fond of their nanny who raised them since birth.