brother
1. [ noun ] a male with the same parents as someone else
Synonyms: blood_brother
Examples:

"my brother still lives with our parents"

Related terms: sister male_sibling stepbrother little_brother big_brother
2. [ noun ] a male person who is a fellow member (of a fraternity or religion of other group)
Examples:

"none of his brothers would betray him"

Related terms: member Freemason brotherhood religion
3. [ adjective ] being associated as a companion or associate
Synonyms: fellow sister
Examples:

"fellow traveler" "brother workers" "sister ship"

Related terms: related
4. [ noun ] a close friend who accompanies his buddies in their activities
Synonyms: buddy crony pal sidekick chum
Related terms: friend cobber pal
5. [ noun ] used as a term of address for those male persons engaged in the same movement
Synonyms: comrade
Examples:

"Greetings, comrade!"

Related terms: friend
6. [ noun ] (Roman Catholic) a title given to a monk and used as form of address
Examples:

"a Benedictine Brother"

Related terms: monk Roman_Catholic
Similar spelling:   Brothers
  brotherly
  Brotherton
  breather
  brooder
  bret_harte
  Bruder
  Broder
  Brader
  Browder
  broider
  brethren
  breeder
  bratwurst