brother: Meaning and Definition of

broth•er

1. a male offspring having both parents in common with another offspring; a male sibling.
2. a male offspring having only one parent in common with another offspring.
3. a stepbrother.
4. a male numbered among the same kinship group, nationality, race, profession, etc., as another; an associate; a fellow member, fellow countryman, fellow man, etc.: a fraternity brother.
1. (often cap.) a male numbered among the lay members of a religious organization that has a priesthood.
2. a man who devotes himself to the duties of a religious order without taking holy orders, or while preparing for holy orders.
6. all members of a particular race, or of the human race in general: All men are brothers.
7. fellow; buddy: Brother, can you spare a dime?
8. a black man; soul brother.

1. (used to express disappointment, disgust, or surprise).