This is the 4014th most frequent German word.
waadt
"Waadt" refers to the Canton of Vaud in Switzerland.
In this context, 'Waadt' refers to the name of a region in Switzerland, used as a proper noun.
Die Waadt ist eine schöne Region in der Schweiz.
The Vaud is a beautiful region in Switzerland.
Here, 'Waadt' again refers to the region, showing how it's used in a locative sense.
Wir haben letztes Jahr Urlaub in der Waadt gemacht.
We vacationed in Vaud last year.
This usage of 'Waadt' represents the origin or provenance of products, in this case, wine produced in the region.