- [uncountable]
the crime of a mother killing her child when it is less than one year old 杀婴（罪）；杀婴犯 These conditions lead to neglect, child abuse, and even infanticide. 这些情况导致忽视、虐待儿童，甚至杀婴。
- [uncountable]
(in some cultures) the practice of killing babies that are not wanted, for example because they are girls and not boys 杀婴（某些文化中杀女婴等的做法） - [countable]
a person who kills a baby, especially their own child 杀婴（罪）；杀婴犯
Word Originmid 17th cent.: via French from late Latin infanticidium, from Latin infant- (‘unable to speak’, from in- ‘not’ + fant- ‘speaking’) + -cidium (from caedere ‘kill’).