Term for the massive elongated barrier that divided a Roman circus into two tracks running in opposite directions. A spina was usually walled and variously decorated (e.g. with statues); at its ends stood the metae (Meta ) that marked the turning point of the running track.
Höcker, Christoph (Kissing) and
Uggeri, Giovanni (Florence),
Brill’s New Pauly, Antiquity volumes edited by: Hubert Cancik and , Helmuth Schneider, English Edition by: Christine F. Salazar, Classical Tradition volumes edited by: Manfred Landfester, English Edition by: Francis G. Gentry.
Consulted online on 29 January 2020 <http://dx.doi.org/10.1163/1574-9347_bnp_e1119360>