Dictionary definition · baby
noun
- a very young child (birth to 1 year) who has not yet begun to walk or talk"the baby began to cry again"
- the youngest member of a group (not necessarily young)"the baby of the family"
- an immature childish person"he remained a child in practical matters as long as he lived"
- an unborn child; a human fetus"I felt healthy and very feminine carrying the baby"
- a very young mammal"baby rabbits"
- a project of personal concern to someone"this project is his baby"
- a beloved person; used as terms of endearment
verb
- treat with excessive indulgence"grandparents often pamper the children"
Source: Open English WordNet (CC BY 4.0).