meio-irmão angolul

blood brother▼(full brother or half-brother, see also: brother-german; half brother)
noun
[UK: ˈblʌd.ˌbrʌ.ðə] [US: ˈblʌd.ˌbrʌ.ðə]

half brother [half brothers]▼(male half-sibling)
noun
[UK: hɑːf ˈbrʌð.ə(r)] [US: ˈhæf ˈbrʌð.r̩]