noun
different mother; half- (sibling)
Used in compounds like 異母兄弟 (half-brother with a different mother) or 異母姉妹 (half-sister with a different mother). Contrasts with 同母 (same mother).
See also: 同母
彼は異母兄弟が二人いる。
He has two half-brothers (from a different mother).
異母の姉とはあまり会わない。
I don't see my half-sister (from a different mother) very often.