half brother
/ˌhæfˈbɹʌðɚ/ noun
Forms half brothers half brethren half-brother halfbrother
- noun A male sibling sharing a single parent, as distinguished from a full brother or brother-german, from a step-brother, or from a brother-like figure such as a blood brother.
- noun (horse racing) A male half sibling (same dam, different sires).
Synonyms
Etymology
From Middle English half broþer, equivalent to half + brother. Cognate with Dutch halfbroer (“halfbrother”), German Halbbruder (“halfbrother”), Danish halvbroder (“halfbrother”), Swedish halvbroder, halvbror (“halfbrother”), Icelandic hálfbróðir (“halfbrother”).
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “half brother”, CC BY-SA 4.0. Details