noun broth·er \ˈbrə-thər\

: a boy or man who has one or both of the same parents as you

: a man who is from the same group or country as you

: a male member of a religious group

plural brothers also breth·ren \ˈbreth-rən; ˈbre-thə-rən, -thərn\

Full Definition of BROTHER

:  a male who has the same parents as another or one parent in common with another
:  one related to another by common ties or interests
:  a fellow member —used as a title for ministers in some evangelical denominations
:  one of a type similar to another
a :  kinsman
b :  one who shares with another a common national or racial origin; especially :  soul brother
a capitalized :  a member of a congregation of men not in holy orders and usually in hospital or school work
b :  a member of a men's religious order who is not preparing for or is not ready for holy orders <a lay brother>

Examples of BROTHER

  1. We must support our brothers and sisters fighting overseas.
  2. the brothers in a monastery

Origin of BROTHER

Middle English, from Old English brōthor; akin to Old High German bruodor brother, Latin frater, Greek phratēr member of the same clan
First Known Use: before 12th century

Other Forms of Address Terms

appellation, beatitude, brethren, emeritus, esquire, sire, sous

Rhymes with BROTHER

BROTHER Defined for Kids


noun broth·er \ˈbrə-thər\
plural brothers also breth·ren \ˈbreth-rən\

Definition of BROTHER for Kids

:  a male person or animal related to another person or animal by having one or both parents in common
:  a fellow member of an organization
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