plural babies
1
a(1)
: an extremely young child
especially : infant
—sometimes used of an adult daughter or son to express parental nostalgia or affection
She just had a baby.
I hear the baby crying.
Our baby has gone off to college.
You'll always be my baby.
(2)
: an extremely young animal
b
: the youngest of a group
He is the baby of the family.
2
a
: one that is like a baby (as in behavior)
When it comes to getting shots, I'm a real baby.
b
: something that is one's special responsibility, achievement, or interest
The project was his baby.
3
1
: of, relating to, or being an extremely young child
a baby bonnet
2
: much smaller than the usual
baby carrots
a baby grand piano
Take baby steps.
babied; babying
1
: to tend to indulge with often excessive or inappropriate care and solicitude
babying their only child
2
: to use or treat with care
babying a sore knee
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Merriam-Webster unabridged



