brother

noun

1. Son of the same parents as another person.

   “It was a joy to snatch some brief respite, and find himself in the rectory drawing–room. Listening here was as pleasant as talking; just to watch was pleasant. The young priests who lived here wore cassocks and birettas; their faces were fine and mild, yet really strong, like the rector's face; and in their intercourse with him and his wife they seemed to be brothers.”

2. A male having at least one parent in common with another person (see half-brother, stepbrother).
3. A male fellow member of a religious community, church, trades union etc.

   “You shall not charge interest to your brother—interest on money or food or anything that is lent out at interest.”

   “Thank you, brother.”

   “I would like to thank the brother who just spoke.”

4. (informal)A form of address to a man.

   “Brother, can you spare a dime?”

   “Listen, brother, I don't know what you want, but I’m not interested.”

5. A fellow black man.

   “[Michael Jackson] went on television and said, “I don't have sex because of my religious beliefs”, and the public believed it. I know brothers was like “get the fuck out of here!”. And white people, “Michael's a special kinda guy!””

   “The white cop grilled me. He was tall, but had a stomach like a pregnant woman. The other two were brothers, and they looked like they just didn't wanna be standing there.”

   “But damn if they knew when to just leave a brother alone and let him sulk in silence.”

6. Somebody, usually male, connected by a common cause, situation, or affection.

   “The marvelous new militancy which has engulfed the Negro community must not lead us to a distrust of all white people, for many of our white brothers, as evidenced by their presence here today, have come to realize that their destiny is tied up with our destiny.”

   “O, then! To ride upon such glories, Till my time comes nigh, And commune in the city of peaceful slumbers Among my brothers of wind-blown rye.”

7. Someone who is a peer, whether male or female.

   “And, above all, no animal must ever tyrannise over his own kind. Weak or strong, clever or simple, we are all brothers.”

8. (poetic)Someone who is a kinsman or shares the same patriarch.

   “The eighteenth century text, with its antislavery message and its Adamic figuration, calls implicily for the reconciliation of all peoples as "brothers" (not the reprehensible brothers of Joseph but the cocreated brothers of Adam).”

   “Oh, my Brothers, five nights ago many of our braves were out upon the buffalo grounds.”

   “In the case of the boy, a certain amount of instruction comes from the male members of the mother's clan, such as how to go after game, how to handle horses, how to dress, how to conduct yourself and what to seek in life. They also teach the boy how to treat domestic animals. Even pets understand kindness, and the clan brothers use that as an example.”

   “The carriage that the brothers of the Kai clan rode on had travelled a lot these past few days, and the horses that pulled the carriage were exhausted.”

9. Title of respect for an adult male member of a religious or fraternal order.

   “At the monastery, Brother Stephen supervises the kitchen.”

   “Please welcome Brother Smith as he moves from his former congregation to his new congregation.”

10. Title of respect for an adult male member of a fraternal/sororal organization, or comrade in a movement, or even a stranger using fictive kin.
11. A title used to personify or respectfully refer to concepts or animals.

    “The Native American had a kinship with nature, even referring to Mother Earth and Brother Bear.”

verb

1. (transitive)To treat as a brother.

   “Seest thou not we are overreached, and that our proposed mode of communicating with our friends without has been disconcerted by this same motley gentleman thou art so fond to brother?”

intj

1. Expressing exasperation.

   “We're being forced to work overtime? Oh, brother!”