Definition of “brother” - Learner’s Dictionary


noun [ C ] uk us /ˈbrʌðər/

A1 a boy or man who has the same parents as you:

an older/younger brother
my big/little brother

a man who is a member of the same race, religious group, organization, etc

RELIGION (also Brother)

a monk (= man who lives in a male religious group):

Brother Paul

(Definition of “brother” from the Cambridge Learner's Dictionary © Cambridge University Press)