The name Justine is an English baby name. In English the meaning of the name Justine is: Just; upright. Feminine of Justin. The name Justine is an American baby name. In American the meaning of the name Justine is: Just; upright.
For infanticide among animals, see Infanticide (zoology). Infanticide (or infant homicide) is the intentional killing of infants. Parental infanticide researchers have found that mothers are far more likely than fathers to be the perpetrator for neonaticide and slightly more likely to commit infanticide in general. In many past societies, certain forms of infanticide were considered permissible.
A newborn is an infant who is only hours, days, or up to a few weeks old. In medical contexts, newborn or neonate (from Latin, neonatus, newborn) refers to an infant in the first 28 days after birth; the term applies to premature infants, postmature infants, and full term infants. Before birth, the term fetus is used. In the UK, infant is a term that can be applied to school children aged between four and seven. As a legal terminology, infancy continues from birth until age 18. An infant is usually called a baby in simple English, as many people use the term 'baby' instead of infant.