Real Dictionary

roll out
phrasal verb: If a company rolls out a new product or service, or if the product or service rolls out, it is made available to the public.

roll out in American English
to flatten into a sheet by rolling
to spread out or flatten

roll out in British English
to cause (pastry) to become flatter and thinner by pressure with a rolling pin
noun: a presentation to the public of a new aircraft, product, etc; a launch

roll-out in British English
noun: a presentation to the public of a new aircraft, product, etc; a launch