The most common and most likely answer to this crossword clue is the 5 letter word ANOLE
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More clues leading to the result ANOLE
Buddy explains!
The straight part
We know that "Reptile" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case reptile = anole.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ANOLE mean?
ANOLE noun- Any of the Anolis genus of arboreal American lizards (such as the American chameleon) from the iguana family which feature a brightly colored dewlap and color-changing ability.