Brotherhood

Broth·er·hood

Brotherhood

n.
  1. The state of being brothers or a brother.
  2. An association for any purpose, as a society of monks; a fraternity.
  3. The whole body of persons engaged in the same business, -- especially those of the same profession; as, the legal or medical brotherhood.
  4. Persons, and, poetically, things, of a like kind.
    A brotherhood of venerable trees.