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[bahy-kam-er-uh l] /baɪˈkæm ər əl/
adjective, Government.
having two branches, chambers, or houses, as a legislative body.
Origin of bicameral
1825-35; bi-1 + Latin camer(a) chamber + -al1
Related forms
bicameralism, noun
bicameralist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for bicameral
Contemporary Examples
Historical Examples
  • In addition the bicameral house is cumbersome and provocative of delay.

    Benjamin Franklin Frank Luther Mott
  • Other early colonies passed through the same stages; colonies of later foundation took up the development at the bicameral stage.

  • Herein the legislative authority was vested in a General Assembly, which was organized on the bicameral plan.

    History of the Constitutions of Iowa Benjamin F. Shambaugh
  • The importance of the bicameral system is strongly insisted upon by the commentator of the Constitution.

    Japan Various
  • The legislature is bicameral, senators holding office for four years, representatives (about thrice as numerous) for two.

  • The two houses of Parliament had made the colonists accustomed to the bicameral system.

    The Colonies 1492-1750 Reuben Gold Thwaites
British Dictionary definitions for bicameral


(of a legislature) consisting of two chambers
Derived Forms
bicameralism, noun
bicameralist, noun
Word Origin
C19: from bi-1 + Latin camerachamber
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for bicameral

"having two chambers," 1832, from bi- "two" (see bi-) + Late Latin camera "chamber" (see camera) + -al (1).

Online Etymology Dictionary, © 2010 Douglas Harper
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bicameral in Medicine

bicameral bi·cam·er·al (bī-kām'ər-əl)
Composed of or having two chambers, especially an abscess divided by a septum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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