Last modified on 19 June 2013, at 12:07
From sibli(ng) + -cide.
siblicide (plural siblicides)
- (chiefly ornithology) The killing of a sibling.
- 2011, Steven Pinker, The Better Angels of Our Nature, Penguin 2012, p. 39:
- Infanticide, siblicide, cannibalism, rape, and lethal combat have been documented in many kinds of animals.