blue baby - an infant born with a bluish color; usually has a defective heart

cherub - a sweet innocent baby

child, kid - a human offspring (son or daughter) of any age; "they had three children"; "they were able to send their kids to college"

abandoned infant, foundling - a child who has been abandoned and whose parents are unknown

godchild - an infant who is sponsored by an adult (the godparent) at baptism

neonate, newborn, newborn baby, newborn infant - a baby from birth to four weeks

nurseling, nursling, suckling - an infant considered in relation to its nurse

papoose, pappoose - an American Indian infant

test-tube baby - a baby conceived by fertilization that occurs outside the mother's body; the woman's ova are removed and mixed with sperm in a culture medium - if fertilization occurs the blastocyte is implanted in the woman's uterus

war baby - conceived or born during war