Is BURSA a Wordle Word?

Yes. BURSA is a valid Wordle word.

It is not on the Wordle answer list, so it is unlikely to be a daily answer.

What does BURSA mean?

Any of the many small fluid-filled sacs located at the point where a muscle or tendon slides across bone. These sacs serve to reduce friction between the two moving surfaces.

Definition from Wiktionary, available under the CC BY-SA license.

Starter word rating: AverageIn the top 27% of all valid Wordle words for testing common letters.
Vowels: U, A
Unique letters: 5 of 5
Common letters: R, A

Letter ratings use how often each letter appears in Wordle answers.

Tap its tiles to the colours Wordle showed, and the Wordle Solver lists every word that still fits, with the best next guess.