UNICAMERAL Meaning of UNICAMERAL in English [ ˌju:nɪ'kam(ə)r(ə)l ]■ adjective (of a legislative body) having a single legislative chamber.OriginC19: from uni- + L. camera 'chamber' + -al . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004