"Uist" Natural Recordings by Native Speakers
I couldn't find any specific English word "uist". It's possible that it's a variant or a misspelling of a different word.
However, "Uist" could be related to the following:
Uist is a small island in the Outer Hebrides, Scotland.
Uist is a fjord in Norway.
If you can provide more context or information about the word, I may be able to help you better.