Meanwhile (adverb)

1. At the same time as something else is happening.
2. During the interval between two events.

Origin:

From middle english mean while, from mean (middle) + while (time).

Examples:

1. Meanwhile, we'll have to wait here.
2. Meanwhile, he was preparing the dinner.
3. Meanwhile, the children were playing outside.
4. Meanwhile, the storm was getting worse.
5. Meanwhile, the company was losing money.