crossbencher
cross·benc·her
noun
1.
a member of the House of Commons who does not vote regularly with either the Government or the Opposition
Origin
From crossbench + -er.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.