The definition of a baby is an extremely young child or animal.
(noun)An 11 month old child and a newborn kitten are each an example of a baby.
See baby in Webster's New World College Dictionary
noun pl. babies
Origin: ME babi, dim.: see babe
adjective
See baby in American Heritage Dictionary 4
noun pl. ba·bies
Origin:
Origin: Middle English
.Related Forms:
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