Brother meaning

noun

1. a male with the same parents as someone else

   “my brother still lives with our parents”

   Synonymsblood brother
   Oppositessister

2. a male person who is a fellow member (of a fraternity or religion or other group)

   “none of his brothers would betray him”

3. a close friend who accompanies his buddies in their activities

   Synonymsbuddychumcronypalsidekick

4. used as a term of address for those male persons engaged in the same movement

   “Greetings, comrade!”

   Synonymscomrade

5. (Roman Catholic Church) a title given to a monk and used as form of address

   “a Benedictine Brother”