/ ʌnˈrəʊl; NAmE ʌnˈroʊl/ verb
1.
if you unroll paper, cloth, etc. that was in a roll or if it unrolls , it opens and becomes flat :
[ vn ]
We unrolled our sleeping bags.
[also v ]
—compare roll
2.
[ v ] ( of events ) to happen one after another in a series :
We watched the events unroll before the cameras.