Obs. By-form of COLOSSEUM: cf. F. colisée, It. coliseo.
 
1557.  North, trans. Gueuaras Diall Princes, 259 b/2. The height of the high Capitoll enuironned with the Colliset [? -ee or -eo].
 
1575.  J. Turler, Traueiler, 16. Bathes, Galleries, Colosseis, Churches.