baby >> /ˈbeɪbi/
Definition: [transitive verb] Treat (someone) as a baby; pamper or be overprotective toward.
Example: her aunt babied her and fussed over her clothes
Definition: [noun] A very young child, especially one newly or recently born.
Example: his wife's just had a baby
Definition: [noun] A young woman or a person with whom one is having a romantic relationship (often as a form of address)
Definition: [adjective] Comparatively small or immature of its kind.
Example: a baby grand piano