noun.
A Member of Parliament who does not have cabinetrank, and who therefore sits on one of the backbenches or in one of the backrows of the legislature.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a member of the House of Commons who is not a party leader
Word Usage
"She's a first-term backbencher from exurban Minneapolis who says the Lord told her to run for Congress."