bicameral

adjective

bi·​cam·​er·​al (ˌ)bī-ˈkam-rəl 

-ˈka-mə-

government : having, consisting of, or based on two legislative chambers (see chamber entry 1 sense 4a)

a bicameral legislature comprised of the House of Representatives and the Senate

bicameralism

(ˌ)bī-ˈkam-rə-ˌli-zəm, 

-ˈka-mə- 

noun

Examples of bicameral in a Sentence

Recent Examples on the Web

In addition to betraying the spirit of America’s founding, the Biden mandate invited bipartisan, bicameral opposition. —MSNBC Newsweek, 2 Dec. 2025

Republicans, who will be fighting to retain bicameral control in next year’s elections, currently hold a very slim majority in the chamber with 219 seats—and the President’s party historically loses seats during the midterms. —Solcyré Burga, Time, 5 Nov. 2025

Congress embraced this approach on a bicameral, bipartisan basis. —Mira Rapp-Hooper, Foreign Affairs, 29 Oct. 2025

On Friday, the bicameral (and technically bipartisan) collective of lawmakers known as the Litigation Task Force submitted an amicus brief before the Supreme Court arguing on behalf of Congress’s Article I legislative powers. —Kate Nishimura, Sourcing Journal, 28 Oct. 2025

Word History

Etymology

bi- entry 1 + Late Latin camera chamber — more at chamber

First Known Use

circa 1832, in the meaning defined above

Rhymes for bicameral

• unicameral

Kids Definition

bicameral

adjective

bi·​cam·​er·​al (ˈ)bī-ˈkam-(ə-)rəl 

: consisting of two legislative chambers

a bicameral legislature

Medical Definition

bicameral

adjective

bi·​cam·​er·​al (ˈ)bī-ˈkam-(ə-)rəl 

: having two chambers

Legal Definition

bicameral

adjective

bi·​cam·​er·​al ˌbī-ˈka-mə-rəl 

: having, consisting of, or based on two legislative chambers

a bicameral legislature

bicameralism

ˌbī-ˈka-mə-rə-ˌli-zəm 

noun

bicamerality

ˌbī-ˌka-mə-ˈra-lə-tē

noun