Family Group
half-sibling
half·sib·ling [ haf-sib-ling ]
Definitions related to half-sibling:
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A person's brother or sister who has one parent in common.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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(half sibling) A sibling with whom you share a single parent.NCI ThesaurusU.S. National Cancer Institute, 2021
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