1. 
2. 
[syn: bicameral, two-chambered]
The Collaborative International Dictionary of English v.0.48:
Bicameral \Bi*cam"er*al\, a. [Pref. bi- + camera.]
   Consisting of, or including, two chambers, or legislative
   branches. --Bentham.
   [1913 Webster]
WordNet (r) 3.0 (2006):
bicameral
    adj 1: composed of two legislative bodies [ant: unicameral]
    2: consisting of two chambers; "the bicameral heart of a fish"
       [syn: bicameral, two-chambered]
Moby Thesaurus II by Grady Ward, 1.0:
22 Moby Thesaurus words for "bicameral":
   biaxial, bicuspid, bifid, biform, binocular, binomial, binominal,
   bipartite, biped, bipetalous, bipinnate, bisexual, bivalent,
   congressional, deliberative, lawmaking, legislative, legislatorial,
   parliamentary, senatorial, unibivalent, unicameral