noun / interjection
brother
BRUTH-ur/ˈbrʌðər/
A male sibling.
One twin puts his arm around his brother's shoulders.

Etymology
Old English broþor named a male sibling. The family relationship supplied a model for fellow membership, as when brother came to mean a member of a religious order.
In context
Brother Mu is my brother from the Guazi Hall. You want me to kill him? The rules of the Guazi Hall. If a member harms another without cause, three cuts in six holes.
More examples
- My older brother taught me to ride a bicycle.
- The monks welcomed a new brother into their community.
- Oh, brother, the printer has jammed again!
Forms
brother · brothers · brethren
brotherhood noun — A relationship or community of people joined by close bonds.
Similar words
- sibling
- Includes a brother or sister without specifying gender.