brat.
brother (son of the same parents as another person)
Meaning & usage
brother (son of the same parents as another person)
brother (male having at least one parent in common with another)
przyrodni brat
brother (member of a men's religious order)
brother (member of a fraternity, tribe, or brotherhood) male assistant to a bridesmaid
brother (member of a fraternity, tribe, or brotherhood) brother (assistent to a reaper)
brother (male companion or friend, usually with the same interests, experience, views, etc.)
brother (fellow human being)
brother endearing term of address for a male
Where this word comes from
Etymology tree Proto-Indo-European *bʰréh₂tēr Proto-Balto-Slavic *brā́ˀtē Proto-Slavic *bràtrъ Old Polish brat Polish brat Inherited from Old Polish brat.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.