Lewis Short
Septizōnĭum | Septemzōdĭum (noun N) : (), , septem-zona.
* A large building in Rome in the twelfth region, prob. seven stories in height, Suet. Tit. 2 init.
* A monument of the emperor Septimius Severus, in the tenth region, Spart. Sev. 19; 35.
* A building of M. Aurelius Antoninus, Amm. 15, 7, 3 (others consider II. and III. to have been the same building).
* The seven planets, Commod. 7 and 19.
Charlton T. Lewis, Charles Short, A Latin Dictionary