Is TRIES a Wordle Word?

Yes. TRIES 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 TRIES mean?

/tɹaɪz/

An ordered tree data structure that is used to store an associative array where the keys are usually strings.

An attempt.“I gave unicycling a try but I couldn’t do it.”
An act of tasting or sampling.“I gave sushi a try but I didn’t like it.”
A score in rugby league and rugby union, analogous to a touchdown in American football.“Today I scored my first try.”

2 more noun definitions

To attempt; to endeavour. Followed by infinitive.“I tried to rollerblade, but I couldn’t.”
To divide; to separate.
To test, to work out.

4 more verb definitions

To experiment, to strive.
To lie to in heavy weather under just sufficient sail to head into the wind.
To strain; to subject to excessive tests.“Repeated failures try one's patience.”
(used with another verb) To want“I am really not trying to hear you talk about my mama like that.”

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

Starter word rating: ExcellentIn the top 2% of all valid Wordle words for testing common letters.
Vowels: I, E
Unique letters: 5 of 5
Common letters: T, R, I, E

Hard-mode trap: 7 valid words fit the pattern _RIES. If you reach it, you may need several guesses to find the last letter.

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.