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English definition of “half-brother”

half-brother

noun [C]     /ˈhɑːfˌbrʌð.ər/ US  /ˈhæfˌbrʌð.ɚ/
a brother who is the son of only one of your parents Family relations in general
(Definition of half-brother noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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