Is LOCKS a Wordle Word?

Yes. LOCKS 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 LOCKS mean?

/lɑks/

Something used for fastening, which can only be opened with a key or combination.
(by extension) A mutex or other token restricting access to a resource.
A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels.

8 more noun definitions

The firing mechanism.
Complete control over a situation.
Something sure to be a success.
A player in the scrum behind the front row, usually the tallest members of the team.
A fastening together or interlacing; a closing of one thing upon another; a state of being fixed or immovable.
A place from which egress is prevented, as by a lock.
A device for keeping a wheel from turning.
A grapple in wrestling.

To become fastened in place.“If you put the brakes on too hard, the wheels will lock.”
To fasten with a lock.“Remember to lock the door when you leave.”
To be capable of becoming fastened in place.“This door locks with a key.”

7 more verb definitions

To intertwine or dovetail.“We locked arms and stepped out into the night.”
(break dancing) To freeze one's body or a part thereof in place.“a pop and lock routine”
To furnish (a canal) with locks.
To raise or lower (a boat) in a lock.
To seize (e.g. the sword arm of an antagonist) by turning the left arm around it, to disarm him.
To modify (a thread) so that users cannot make new posts in it.
(WMF jargon) To prevent a page from being edited by other users.“Frequently vandalized pages are generally locked to prevent further damage.”

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

Starter word rating: WeakIn the top 61% of all valid Wordle words for testing common letters.
Vowels: O
Unique letters: 5 of 5
Common letters: L, O

Hard-mode trap: 14 valid words fit the pattern _OCKS. 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.