Definition of bicameral adjective from the Oxford Advanced Learner's Dictionary

 

bicameral

 adjective
adjective
BrE BrE//ˌbaɪˈkæmərəl//
 
; NAmE NAmE//ˌbaɪˈkæmərəl//
 
(specialist)
 
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(of a parliament) having two main parts, such as the Senate and the House of Representatives in the US, and the House of Commons and the House of Lords in Britain a bicameral assembly/legislature/congress Word Origin mid 19th cent.: from bi- ‘two’ + Latin camera ‘chamber’ + -al.
See the Oxford Advanced American Dictionary entry: bicameral