verb (used with object)
to open or spread out (something rolled or coiled): to unroll a bolt of fabric.
to lay open; display; reveal.
Obsolete. to strike from a roll or register.
verb (used without object)
to become unrolled or spread out: The scrolls unroll easily.
to become continuously visible or apparent: The landscape unrolled before our eyes.
Origin: 1375–1425; late Middle English unrollen.