Unicameral

[,juːnɪ'kæm(ə)r(ə)l] or ['jʊnɪ'kæmərəl]

(adj.) composed of one legislative body .

Edited by Fred--From WordNet

(a.) Having, or consisting of, a single chamber; -- said of a legislative assembly.

Editor: Whitney

adj. consisting of but one chamber of a legislative body.

Edited by Harold