brother

1. brother (noun) — sense 1

Definition: Son of the same parents as another person.

Example: 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. brother (noun) — sense 2

Definition: A male having at least one parent in common with another person (see half-brother, stepbrother).

3. brother (noun) — sense 3

Definition: A male fellow member of a religious community, church, trades union etc.

Example: Thank you, brother.

4. brother (verb) — sense 4

Definition: To treat as a brother.

Example: 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?

5. brother (intj) — sense 5

Definition: Expressing exasperation.

Example: We're being forced to work overtime? Oh, brother!