• synonyms


[bahy-kam-er-uh l]
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adjective Government.
  1. having two branches, chambers, or houses, as a legislative body.
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Origin of bicameral

1825–35; bi-1 + Latin camer(a) chamber + -al1
Related formsbi·cam·er·al·ism, nounbi·cam·er·al·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for bicameral


  1. (of a legislature) consisting of two chambers
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Derived Formsbicameralism, nounbicameralist, noun

Word Origin

C19: from bi- 1 + Latin camera chamber
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

Word Origin and History for bicameral


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

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Online Etymology Dictionary, © 2010 Douglas Harper

bicameral in Medicine


  1. Composed of or having two chambers, especially an abscess divided by a septum.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.