Is GIRON a Wordle Word?

Yes. GIRON is a valid Wordle word.

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

What does GIRON mean?

Alternative form of gyron: A triangular form having an angle at the fess point and the opposite side at the edge of the escutcheon.

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: I, O
Unique letters: 5 of 5
Common letters: I, R, O

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.