The caboose is a service car that was ordinarily the last car in a freight train. Most modern trains have no cabooses, also known as brake vans (UK guard's vans). They were originally designed to keep the couplings tight for all the cars between the locomotive and the train's end.
Answer: On this site, the word baby means any child from birth to age 4. Newborn refers to babies under three months of age. Infants are babies from three months to one year old.Toddlers are babies from one year to four years of age.nswer: On this site, the word baby means any child from birth to age 4. Newborn refers to babies under three months of age. Infants are babies from three months to one year old.
infant, n/adj a child who is in the earliest stage of extrauterine life, a time extending from the first month after birth to approximately 12 months of age, when the baby is able to assume an erect posture; some extend the period to 24 months of age.