Is ICONS a Wordle Word?

Yes. ICONS 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 ICONS mean?

An image, symbol, picture, or other representation usually as an object of religious devotion.
(especially Eastern Christianity) A type of religious painting portraying a saint or scene from Scripture, often done on wooden panels.
(by extension) A person or thing that is the best example of a certain profession or some doing.“That man is an icon in the business; he personifies loyalty and good business sense.”

2 more noun definitions

A small picture that represents something (such as an icon on a computer screen which when clicked performs some function.)
A word, character, or sign whose form reflects and is determined by the referent; onomatopoeic words are necessarily all icons.

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

Starter word rating: AverageIn the top 37% of all valid Wordle words for testing common letters.
Vowels: I, O
Unique letters: 5 of 5
Common letters: I, O

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.