A baby is a human who is younger than about 1 or 2 years old. Different words are used for a baby at different stages of growth. These words are not used in the same way by everyone. For example, the word infant may be used until a baby can walk, or only until the baby is one year old. In common terminology, a baby is the very young offspring of adult human beings, while infant (from Latin īnfāns 'baby, child', literally 'unspeaking') [1] is a formal or specialised synonym. The terms may also be used to refer to juveniles of other organisms. In addition to breast milk or baby formula, here are solid foods you can introduce to your baby’s diet at each development stage. BabyCenter is your parenting partner. What does your baby look like now? Is it safe? What will your baby's zodiac sign be? See what it says about their personality. What do implantation cramps feel like? Here's how to tell if it's implantation or your period. Can birth control make you infertile? No – here's the real story. Join Lucas & Friends for a joyful baby learning journey designed to support key early childhood milestones for babies and toddlers 6–24 months! This fun, research-inspired baby learning vid Start here to learn how to nurture and care for your baby, from feeding and sleep to baby development and behavior, plus baby products that help. Baby is an informal term that can technically refer to any child from birth to 4 years old, though it's most commonly used to refer to young children before they reach the toddler stage. In this video Ms Rachel will teach key milestones and model activities that promote your baby’s brain growth and development. Babies can watch and learn while caregivers also learn the best. Rock-A-Bye Baby +More Nursery Rhymes - CoCoMelon with tags cocomelon, abckidtv, nursery rhymes, children songs, baby songs, kid songs, kindergarten songs, toddler Baby Shark | ABCkidTV Nursery Rhymes & Kids Songs with tags nursery rhymes, children songs, baby songs, kid songs, kindergarten songs, toddler songs, kids.