How do you pronounce Missouri?

Missourah. Missouria indian tribe was the first to settle that land and name it. Enough said right there.

To debate the pronunciation above:
When researching native american tribes I found this:

How do you pronounce the word "Missouri"? What does it mean?
It's pronounced "mih-zoo-ree," same as the state. It means "big canoe people" in the language of their Illini neighbors.

Being from Missouri I agree with the latter.