Definition of: baby

(bā′bē) noun plural ba·bies
1. A very young child of either sex; an infant.
2. The youngest or smallest member of a family or group.
3. One who has the appearance, behavior, or disposition of a young child, especially one with little courage or fortitude.
4. Slang A girl.
5. Any young animal.
6. Obs. A doll or puppet.
—adj.
1. For a baby: baby shoes.
2. Childish; infantile: baby ways.
3. Small; diminutive; miniature.
—v.t. ba·bied, ba·by·ing
To treat as a baby; play tenderly with; pamper.
—ba′by·hood noun
—ba′by·like′ adjective [ME baby, dim. of babe BABE]