Is HUIAS a Wordle Word?

Yes. HUIAS is a valid Wordle word.

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

Plurals ending in S are almost never chosen as Wordle answers.

What does HUIAS mean?

A wattlebird, Heteralocha acutirostris, endemic to New Zealand's North Island but extinct since the early twentieth century.

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

Starter word rating: AverageIn the top 32% of all valid Wordle words for testing common letters.
Vowels: U, I, A
Unique letters: 5 of 5
Common letters: I, 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.