The multiverse -LRB- or meta-universe -LRB- metaverse -RRB- -RRB- is the hypothetical set of multiple possible universes -LRB- including our universe -RRB- that together comprise all of reality .

A multiverse -LRB- or meta-universe -RRB- is the theory of a set of multiple possible universes , including our universe , which make up reality .
