Is LASES a Wordle Word?

Yes. LASES 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 LASES mean?

To use a laser beam on, as for cutting.“The physical chemist lased the atoms as they passed between the electrodes to study their motion.”
To operate as a laser, to release coherent light due to stimulation.“Once enough of the gas particles are in a higher energy state, they will begin to lase and give off a coherent beam.”

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

Starter word rating: AverageIn the top 19% of all valid Wordle words for testing common letters.
Vowels: A, E
Unique letters: 4 of 5Repeats S
Common letters: L, A, E

Hard-mode trap: 12 valid words fit the pattern _ASES. 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.