Definition of "infanticide"

The murder of an infant.  examples

The murder of a child by a parent; filicide.  examples

(law, Canada) The criminal offence of killing of a newborn, committed by its mother while psychologically disturbed by the effects of childbirth or lactation, not regarded as murder.  examples

The murderer of a child: a person who has committed infanticide.  examples

(zoology) The killing of a young, immature animal by a mature adult of the same species.