Is COATS a Wordle Word?

Yes. COATS 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 COATS mean?

/kəʊts/

An outer garment covering the upper torso and arms.Wp
A covering of material, such as paint.Wp
The fur or feathers covering an animal's skin.Wp“When the dog shed its coat, it left hair all over the furniture and the carpet.”

5 more noun definitions

Canvas painted with thick tar and secured round a mast or bowsprit to prevent water running down the sides into the hold (now made of rubber or leather).
A petticoat.
The habit or vesture of an order of men, indicating the order or office; cloth.
A coat of arms.Wp
A coat card.

To cover with a coating of some material.“The frying pan was coated with a layer of non-stick material, making it easier to wash.”
To cover like a coat.
To clothe.

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

Starter word rating: AverageIn the top 15% of all valid Wordle words for testing common letters.
Vowels: O, A
Unique letters: 5 of 5
Common letters: O, A, T

Hard-mode trap: 6 valid words fit the pattern CO_TS. 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.