Lewis Short
praecinctĭo (noun F) : praecingo, lit.
* A girding about, a girdle: zonae, Hilar. in Matt. 2, 2.—Hence
* Transf., the broad landing-place or lobby around the amphitheatre, or between each tier of seats, Vitr. 5, 3; 2, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary