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Longman Dictionary of Contemporary English
half-brother
noun
COLLOCATIONS FROM OTHER ENTRIES
a half-brother (=brother with only one parent the same as yours)
▪ I never really liked my half-brother.
EXAMPLES FROM CORPUS
▪ Other characters include his half brother, two male teachers and the male head teacher.
▪ Sir Kenneth was the half brother of Osgood MacKenzie who created the famous gardens in Inverewe.
▪ The president's half brother and one of his sons sued the government for trampling on their civil rights!
The Collaborative International Dictionary
Half-brother

Half-brother \Half"-broth`er\ (-br[u^]th`[~e]r), n. A brother by one parent, but not by both.

Wiktionary
half-brother

n. (alternative spelling of half brother English)

WordNet
half-brother

n. a son of your stepparent by a former marriage [syn: stepbrother]

Usage examples of "half-brother".

Although Diomedes leads the counterattack, followed closely by the Atrides, Agamemnon and Menelaus, followed in turn by Big Ajax and Little Ajax, and although these heroes take their toll on the Trojans in spearcasts and shortsword clashes, the fighting now is centered around the Achaean archer Teucer, bastard son of Telamon and half-brother to Big Ajax.

Although there had been a half-brother, he had never known him as a sibling and Centaine had raised Shasa as an only child.

Signy, yes, could make a good foil for her half-brother if the treaty was annulled and Telemark was free to pursue its expansionary policy.

Itch Hollens and his half-brother Luck Settlesby had ridden with her for ten years.

Oirat were the last descendants of a once-fierce alliance of tribes that had rallied behind Dobun, the legendary, ancient prince of the last empire of Ulus, a man who according to legends had lost his rightful throne to his half-brother, Duua.

Best to cross and get as far from the Temple entrance as possible before his half-brother Radon, the future king, sent guards in here after him.

He would rather have things as they were, and see his mother lacerating her soul by feigning an emotion that should have been natural to her, and his half-brother showing himself a dolt by believing her, than see them embracing happily as uncursed mothers and their children do.

Only Robb and his baseborn half-brother Jon Snow had been old enough to be worth his notice.

So my half-brother Hukoji, the Wang of Yun-nan, sent an embassy into Champa, to suggest to the King of Ava that he might obligingly turn those refugees around and send them back to us, where they belong.

His half-brother Orlando escaped by boat to the Bahamas last week, and was promptly offered a humanitarian visa by U.

He had been in the capital at Ctesiphon, like all his brothers and half-brothers, plotting to seize the throne after the death of the ailing Emperor Kavad.

Andrews, a son of James V and of a noble descendant of the Earls of Mar, who had been very handsome in her youth, and who, in spite of the well-known love for her of James V, and the child who had resulted, had none the less wedded Lord Douglas of Lochleven, by whom she had had two other sons, the elder named William and the younger George, who were thus half-brothers of the regent.

It would be a pity, however, if it should be parted from the parent country merely to be joined to an unsympathetic half-brother like ourselves and nothing, fortunately, seems to be further from the Canadian mind.

Tobeszijian had discounted such warnings, certain that someday with patience he could find a way to make peace with his half-brother.

I had only a little moment in the car lights to see my half-brothers before we had to entrust them to Allah and the peaceful desert.