Brother Definition

brŭthər
brethren, brothers
noun
brothers
A man or boy as he is related to the other children of his parents.
Webster's New World
A man or boy related to one by having a parent in common; half brother.
Webster's New World
One who shares a common ancestry, allegiance, character, or purpose with another or others, especially:
American Heritage
Something, such as a corporation or institution, that is regarded as a member of a class.
American Heritage
A stepbrother.
Webster's New World
Antonyms:
interjection
Used to provide emphasis, often at the beginning of one's remarks.
Webster's New World

Other Word Forms of Brother

Noun

Singular:
brother
Plural:
brothers

Origin of Brother

  • Middle English from Old English brōthor bhrāter- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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