Definitions
1.noun(chiefly South US) used to address a male"Am I right, fellas?"
2.nounA colleague or partner.
3.nounA companion; a comrade.
4.nounA man without good breeding or worth; an ignoble or mean man.
5.nounAn equal in power, rank, character, etc.
6.nounOne of a pair, or of two things used together or suited to each other; a mate.
7.nounA person with common characteristics, being of the same kind, or in the same group."Roger and his fellow workers are to go on strike."
8.nounA male person; a man.
9.nounA person; an individual, male or female.
10.nounA rank or title in the professional world, usually given as "Fellow".
11.noun(Aboriginal English) Used as a general intensifier
12.nounA person who was a fellow attendee at one's school."I've lost touch with all my old schoolmates: I only see them at class reunions."