<P> An infant bed (commonly called a cot in British English, and, in American English, a crib or cradle, or far less commonly, stock) is a small bed especially for infants and very young children . Infant beds are a historically recent development intended to contain a child capable of standing . The cage - like design of infant beds restricts the child to the bed . Around two or three years of age, children are able to climb out and are moved to a toddler bed to prevent an injurious fall while escaping the bed . </P> <P> Infant beds are commonly seen in countries affected by Westernization, employed by the majority of parents as an alternative to sharing a bed or due to cultural norms . </P>

What do they call a crib in england