This is the 11534th most frequent Polish word.
kameleona
The Polish word "kameleona" means "chameleon" in English, referring to the reptile.
Here, 'kameleona' is the Accusative singular form of 'kameleon', used to denote a specific instance of a chameleon.
W ogrodzie zoologicznym zauważyłem kameleona zmieniającego kolor.
At the zoo, I noticed a chameleon changing color.
In this sentence, 'kameleona' is again the Accusative singular form of 'kameleon', indicating the direct object of the sentence—the chameleon that was bought.
Przyjaciel kupił kameleona jako egzotyczne zwierzę domowe.
My friend bought a chameleon as an exotic pet.
Here, 'kameleona' is still the Accusative singular form of 'kameleon', referring to a symbolic representation of the chameleon by the artist.