A person who shares a parent; one's brother or sister who one shares a parent with. / (computing theory) A node in a data structure that shares its parent with another node.

plural of sibling

plural of saviour sibling

A child, conceived by selected IVF treatment, so as to have compatible tissue that could be used to treat an existing sick brother or sister

plural of half-sibling

Alternative spelling of half sibling

plural of step-sibling

Alternative form of stepsibling

plural of milk-sibling

plural of milk sibling