ಶಿಶು ಹಸುಳೆ ಶಬ್ದದ ಹೆಚ್ಚು ಔಪಚಾರಿಕ ಅಥವಾ ವಿಶೇಷೀಕೃತ ಸಮಾನಾರ್ಥಕ ಪದ, ಮತ್ತು ಮಾನವರ ಅಥವಾ ಇತರ ಪ್ರಾಣಿಗಳ ಬಹಳ ಎಳೆ ಸಂತತಿಯನ್ನು ಸೂಚಿಸುತ್ತದೆ.

An infant or baby is the very young offspring of human beings. Infant is a formal or specialised synonym for the common term baby. The terms may also be used to refer to juveniles of other organisms. A newborn is, in colloquial use, an infant who is only hours, days, or up to one month old. In medical contexts, a newborn or neonate is an infant in the first 28 days after birth; the term applies to premature, full term, and postmature infants.