What does "stepbrother" mean?
Stepbrother: A brother by the marriage of one's father with the mother of another, or of one's mother with the father of another.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00