half-brother
US /ˈhæfˌbrʌð.ər/
UK /ˈhæfˌbrʌð.ər/
1.
fratellastro
a brother with whom one has only one parent in common
:
•
My half-brother is older than me.
Mio fratellastro è più grande di me.
•
She has a half-brother from her mother's previous marriage.
Ha un fratellastro dal precedente matrimonio di sua madre.