Is CHINS a Wordle Word?

Yes. CHINS 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 CHINS mean?

/tʃɪnz/

The bottom of a face, (specifically) the typically jutting jawline below the mouth.
Talk.
A lie, a falsehood.

3 more noun definitions

To talk.
To talk to or with (someone).
To perform a chin-up (exercise in which one lifts one's own weight while hanging from a bar).

5 more verb definitions

To punch or hit (someone)'s chin (part of the body).
To put or hold (a musical instrument) up to one's chin.
To turn on or operate (a device) using one's chin; to select (a particular setting) using one's chin.
To put one's chin on (something).
To indicate or point toward (someone or something) with one's chin.

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

Starter word rating: WeakIn the top 58% of all valid Wordle words for testing common letters.
Vowels: I
Unique letters: 5 of 5
Common letters: I

Hard-mode trap: 8 valid words fit the pattern CHI_S. 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.