meaning: a man who is the lover of a girl or young woman (noun)
meaning: a boy or man (noun)
meaning: a person who is member of one's class or profession (noun)
meaning: a friend who is frequently in the company of another (noun)
meaning: an informal form of address for a man (noun)
example:Say, fellow, what are you doing?
meaning: a member of a learned society (noun)
example:I was elected a fellow of the American Physiological Association.
meaning: one of a pair (noun)