Is SEMES a Wordle Word?

Yes. SEMES 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 SEMES mean?

/siːmz/

A folded-back and stitched piece of fabric; especially, the stitching that joins two or more pieces of fabric.
A suture.
A thin stratum, especially of an economically viable material such as coal or mineral.

4 more noun definitions

The stitched equatorial seam of a cricket ball; the sideways movement of a ball when it bounces on the seam.
A joint formed by mating two separate sections of materials.“Seams can be made or sealed in a variety of ways, including adhesive bonding, hot-air welding, solvent welding, using adhesive tapes, sealant, etc.”
A line or depression left by a cut or wound; a scar; a cicatrix.
A line of junction; a joint.

Anything which serves for any purpose as a substitute for an object of which it is, in some sense, a representation or sign.

(Japanese fiction) An active or dominant male character in a same-sex relationship; a top.

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

Starter word rating: WeakIn the top 91% of all valid Wordle words for testing common letters.
Vowels: E
Unique letters: 3 of 5Repeats S, E
Common letters: E

Hard-mode trap: 7 valid words fit the pattern _EMES. 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.