1.Definition: a project of personal concern to someone

"This project is his baby"

Category: General

2.Definition: a very young child (birth to 1 year) who has not yet begun to walk or talk

"The baby began to cry again", "She held the baby in her arms", "It sounds simple, but when you have your own baby it is all so different"

Related Noun(s):babe, infant

Category: People

3.Definition: a very young mammal

"Baby rabbits"

Category: Animals

4.Definition: an immature childish person

"He remained a child in practical matters as long as he lived", "Stop being a baby!"

Category: People

5.Definition: an unborn child; a human fetus

"I felt healthy and very feminine carrying the baby", "It was great to feel my baby moving about inside"

Category: People

6.Definition: the youngest member of a group (not necessarily young)

"The baby of the family", "The baby of the Supreme Court"

Category: People